| Auto Parts Glossary |
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ABS sensor
Part of the ABS system. An
electronic sensor used to control brake
system to prevent driver from locking
wheels and skidding, and instead allowing
the vehicle to achieve a controlled stop
using electrical pulses. |
AC belt
A v-belt or serpentine belt used
to drive an AC compressor. |
AC compressor
A refrigerant pump
which uses compressed air to pump
refrigerant through a refrigeration system. |
AC compressor clutch
A component
utilizing a magnetic solenoid used to
engage and disengage an AC compressor
on command from the climate control
system. |
AC compressor seal kit
A kit
containing the necessary seals and o'rings
to rebuild or repair an AC compressor. |
AC hose
Any of several rubber and metal
hoses used to circulate refrigerant through
an AC system. |
AC o' rings
Any of a number of rubber
o'rings installed at various connections or
joints throughout an AC system in order to
prevent refrigerant leaks. |
AC relay
Generally, the relay which
powers the AC compressor. |
AC switch
Any of several switches used
to control various functions of an AC
system. |
AC tensioner pulley
A circular pulley
used to set the tension on the AC belt. |
Air cleaner mounts
A rubber mount,
usually having a metal stud on each end
which is used to cushion the natural
vibration of an engines' air filter housing. |
Air filter
The filter which filters the
outside air coming into an engine. |
Alternator
An electrical device which is
driven by a fan belt or serpentine belt which
generates DC electrical current and sends
that current to the battery so as to keep it
charged. |
Alternator belt
A v-belt or serpentine
belt used to drive the alternator. |
Alternator tensioner pulley
A
circular pulley with a bearing which is used
to tighten and keep the correct tension on
an alternator belt. |
Auxiliary fan
An additional cooling fan
used to cool an AC condenser. |
Axle
The part that connects the
transmission or trans-axle to the wheel,
thereby transferring power. |
Axle nut
A threaded nut used to hold the
outer end of an axle against a hub. |
Axle seal
The seal which prevents the
trans-axle (front wheel drive), or the
differential (rear wheel drive) from leaking
oil. |
Ball joints
A steel ball socket with a
threaded shaft attached to the control arm
and to the steering knuckle giving a solid
basis for the steering system. |
Brake caliper
The part that, when the
brake is applied, it receives brake fluid
pressure and causes its hydraulically
driven pistons to push against the brake
pads which then push against the rotor and
stops the car. |
Brake dust shields
A pie-shaped disc
that fits inside a wheel like an inside wheel
cover and virtually eliminates brake dust
from getting onto wheels. |
Brake hose
With disc brakes, the hose
that connects to the brake caliper on one
end and the steel brake supply line on the
other. With drum brakes, the hose that
connects the wheel cylinder to the steel
supply tube. |
Brake lines
A series of small steel lines
which deliver brake fluid from the brake
master cylinder to the brake calipers or
wheel cylinders via rubber hoses. |
Brake pads
The parts that when pushed
by the brake caliper pistons against the
rotor, stop the car. |
Brake pad spring
The part that
cushions the brake pad and helps to limit
noise due to the pads shifting. |
Brake pins
The part that is driven
through the brake caliper in order to hold
the brake pads in place (fixed caliper
design). |
Brake rotor
The disc-shaped part that
connects to the wheel and when pressed
against by the brake pads causes the car
to stop. |
Brake sensor
An electrical sensor
which is attached to a brake pad for the
purpose of notifying the driver via a light ,
when brake pads get to a minimum
thickness, thereby preventing a possibility
of pads wearing down to a metal on metal
situation against the brake rotor. |
Brake shim
A metallic shim which is
used between the brake pad and the brake
caliper piston for noise reduction. |
Brake shoes
Steel semi circular parts
which have a layer of friction material that
are used in pairs, two per drum, to stop a
vehicle that has drum type brakes. When
the brake pedal is pressed, the shoes
push outward against the drum causing
the vehicle to stop. |
Brake shoe springs
The part that
holds the brake shoe to the backing plate,
and also to the other brake shoe. |
Breather hose
One of several hoses
used in the distribution of air as part of the
engine breathing system. |
By-pass hose
A rubber coolant hose
which directs coolant from the thermostat
housing to the water pump. |
Cabin filter
A paper or carbon filter
which filters and cleans the air within a
vehicles' interior. |
Cam gear
The gear which drives the
camshaft. |
Camshaft position sensor
An
electrical sensor which reports the position
of the camshaft to an on-board computer. |
Catalytic Converter
That part of the
exhaust emission system that is designed
to help reduce carbon emissions. |
Clima relay
The relay which powers the
climate control system. |
Climate control panel
A push button
panel that allows a driver to alter the cabin
temperature. The panel controls various
heating and air condition components to
achieve the desired temperature. |
Clutch disc
A metal disc with carbon
fibers on each side used to smoothly
transmit power from the engine to the
transmission. |
Clutch cable
A cable with a flexible
shaft that when the clutch pedal is
depressed, disengages the clutch. |
Clutch kit
A kit usually containing all
necessary components for replacing a
clutch, including clutch disc, pressure
plate, release bearing, pilot bearing and
sometimes the pilot shaft tool. |
Clutch master cylinder
A hydraulic
cylinder which is activated by pushing the
clutch pedal (hydraulic type clutch) and in
turn sends hydraulic pressure to the clutch
slave cylinder, thereby disengaging the
clutch. |
Clutch slave cylinder
A hydraulic
cylinder which serves a master cylinder in a
hydraulic type clutch system. When the
clutch is depressed fluid is pushed from
the master cylinder down to the slave
cylinder. |
Compressor
A vapor pump which
pumps vapor from evaporator into a
condenser. |
Computer
The electronic device that
monitors all of the vehicles systems and
notifies of any system malfunction. |
Condenser
A finned part, similar to a
radiator, through which AC refrigerant
circulates and as air passes through the
fins, the refrigerant is cooled and then
phase changes from a vapor to a liquid. |
Condenser motor
The electric fan
motor used as an additional cooling fan for
the AC condenser when the system gets
above a certain temperature, or pressure. |
Control arm
(front) A part of the
suspension system which connects the
frame and the steering knuckle or front axle
carrier. (rear) Connects rear frame to rear
axle carrier. |
Control arm bushing
The bushing
that fits in either end of the control arm. |
Crankshaft gear
The gear which sits
on the front of the crankshaft and is used to
drive all other timing and auxiliary gears. |
Crankshaft position sensor
An
electrical sensor which reports the position
of the crankshaft to an on-board computer. |
Crankshaft seal
A circular seal which
prevents oil from leaking from the front end
and rear end of the crankshaft. |
CV Boot
The rubber boot which keeps
grease around the CV joint. |
CV Joint
(front inner) A spherical device
which connects and delivers power to the
axle from the transmission or transaxle
output flange. (front outer) Similar in design
to the inner, but delivers power to the output
flange which drives the wheels. |
Cylinder head
A cast iron or aluminum
part which sits directly on top of an engine
block. The cylinder head's functions are
basically to house the engines' intake and
exhaust valves and guides and on (OHC)
overhead cam engines, the camshaft as
well, and provides the upper half of the
combustion chamber in which a series of
controlled explosions take place so as to
create horsepower. |
Differential seal
The seal usually
located on the side of the differential and
prevents oil from leaking out of the
differential. |
Distributor assembly
Central to an
ignition system on gasoline engines, an
electro-mechanical device which receives a
high voltage spark via an ignition coil and
transmits that spark, in a firing order, to
each of the engines' spark plugs. |
Distributor cap
The phenolic cover on
the top of a distributor assembly, whose
job it is to send fire to each spark plug via a
set of spark plug cables, according to the
in a sequential firing order. |
Distributor rotor
A phenolic part which
sits just underneath the distributor cap and
whose duty it is to receive a spark from the
ignition coil via a cable usually connected
to center of the cap and transmit that spark
according to the vehicles' firing order, to the
terminals located inside the distributor cap
and on to the spark plugs via the spark
plug wires. |
Driveshaft center support
A metal
and rubber part used to connect the front
and rear sections of the drive-shaft which
provides stability for the drive-shaft and a
smooth transition from front to rear. |
Door check aka door brake
A metal
strap which, when a door is opened, only
allows the door to open the appropriate
distance, thereby preventing the door from
hitting the fender. |
Door handle
The handle on a vehicle's
doors used for entry or exit of the vehicle. |
Drag Link aka Center Link
That part
of the steering on a conventional steering
system that connects the left and right outer
tie rod assemblies. |
Door seal
A rubber gasket which seals
out wind noise and water around the
perimeter of a vehicles' doors. |
Drive belt
A serpentine or "ribbed" belt
used to drive most or all pulleys in a drive
belt system. |
Driveshaft center support
A metal
and rubber part used to connect the front
and rear sections of the drive-shaft which
provides stability for the drive-shaft and a
smooth transition from front to rear. |
Driveshaft drive disc
A rubber
circular part which connects the
transmission output flange to the front of
the drive-shaft and provides a smooth
power transfer. |
EGR valve
The exhaust gas recirculation
valve recirculates unburnt fuel gases back
into the intake or turbo.
|
| EGR valve gasket The gasket which
fits between the intake or turbo and the
EGR valve. |
| Emblems Any of a number of insignias
on a vehicle which represent the vehicles'
make or model. |
| Emergency brake shoes The parts
which, when the emergency brake is
applied, push outward against the interior
of the rear brake rotor, so as to prevent the
car from moving. |
| Evaporator A finned part, similar to a
radiator, through which AC refrigerant
passes and as warm interior air passes
over the fins, the refrigerant is
phase-changed from a liquid to a vapor
and is recirculated back to the compressor. |
| Exhaust gasket The gasket or gaskets
that are used between exhaust system
components to seal off leaks and exhaust
noise. |
| Exhaust manifold gasket The gasket
that seals between the cylinder head and
the exhaust manifold. |
| Exhaust valve A circular part with a
stem usually several inches long which is
part of the combustion system, and when
opened allows hot exhaust gases to
escape the combustion chamber resulting
in combustion power. |
| Expansion valve A metering device
which allows a refrigerant to phase change
from a liquid into a vapor. |
| Fan belt A v-belt driven by the crankshaft
pulley used to drive a fan blade and water
pump, both used to cool the engine. |
| Fan switch A switch which activates a
cooling fan based on engine temperature. |
| Flasher relay A relay which delivers
power to a turn signal and four way flasher
system. |
| Fog light assembly A fog light lens
and housing assembly usually
including the mounting point. |
| Fog light lens A glass lens which
covers the fog light bulb. In most late model
cars the lens is casted as part of the fog
lamp assembly. |
| Fuel injector An electrical or
mechanical device which meters tny
amounts of fuel into a combustion
chamber. |
| Fuel injector o' rings The rubber
o'rings used to prevent fuel from leaking
around the injector. |
| Gas cap A metal or plastic cap which is
used to fill a fuel tank when removed. |
| Gas cap gasket A rubber gasket which
seals between the gas cap and the fuel
filler tube. |
| Glow plug An electrical heating element
which heats usually for a few seconds and
enables a diesel engine to achieve
combustion when the engine is cold. |
| Glow plug fuse Usually an aluminum
strip fuse used to prevent damage to a
glow system. When the system draws too
much current, the fuse blows,
circumventing any further damage to the
electrical system. |
| Glow plug relay A relay which powers
a glow system in a diesel vehicle. |
| Grille A decorative part located on the
front of a vehicle whose purpose is purely
cosmetic. |
| Grille moulding An aluminum or
plastic strip used to embellish a grille. |
| Head gasket The gasket which provides
a seal between the engine block and
cylinder head, thereby preventing the
engine coolant and engine oil to mix. |
| Head gasket set The set of gaskets
which usually contains the head gasket,
valve cover gasket, exhaust manifold
gasket, the valve seals, the plenum gasket,
and other gaskets and o'rings needed to
remove and replace the cylinder head. |
| Headlight assembly A combination of
headlight lens, lens housing and mounting
structure. |
| Headlight lens A glass or plastic
covering for the headlight bulb. |
| Heater control valve A mechanical
or electromechanical valve which controls
the flow of coolant to the heater core and
which, depending on the temperature
called for by the driver, will be open, closed
or partially open. |
| Heater hose A rubber hose which,
directly or indirectly, provides a coolant
supply to the heater core and a return to
the engine. |
| Heater motor The electric motor used
to blow either heat or AC air generated by a
climate control system. |
| Hood release handle A handle inside
a vehicle used to release a hood latch. |
| Hood pull |
| Hub A round steel which houses the
wheel bearing and the part to which a
wheel fastens. |
| Hub bolts The bolts used to hold a rotor
onto a hub. |
| Idler arm A part of the steering system
which helps to stabilize it by providing a
pivot point for the left and right motion of the
tie rod assemblies and the center link. |
| Idler arm bushing The bushing that fits
inside the idler arm. |
| Idler pulley A circular stationary pulley
with a bearing which is used to assist a fan
belt, drive belt or timing belt in running
straight. |
| Igniter An electronic device which
supplies power to an ignition system. |
| Ignition coil A device which upon
receiving a low amount of voltage, using a
magnetic coil, creates a powerful spark
which is used to start an engine and to
keep it running. |
| Ignition control unit An electronic
device which receives, adjusts and then
transmits voltage to the ignition system. |
| Ignition Rotor A part inside the
distributor cap whose function it is to
receive a spark from the ignition coil via a
cable and sequentially
in the firing order , deliver spark to each
distributor terminal, which then delivers a
spark to each spark plug wire. |
| Ignition wires Electric cables that
receive a spark from an ignition coil via a
distributor cap, or directly from an ignition
coil, and then transmit a high voltage spark
to the engines' spark plugs. |
| Intake hose A hose, which is usually
plastic that delivers outside air to the
engine's intake system. |
| Intake manifold gasket The gasket
that seals between the cylinder head and
the intake manifold. |
| Intake valve A circular part with a stem
usually measuring several inches long
which is part of the combustion system. It
allows oxygen to enter into the combustion
chamber enabling the explosions to occur
which creates combustion power. |
| Intermediate gear A gear which is
used to indirectly drive a device such as an
oil pump or injection pump. |
| Main bearings Thin semi-circular
aluminum or copper parts used in pairs.
One upper and one lower. These fit
between the crankshaft and the main
bearing journals. |
| Mass air sensor A part that monitors
and regulates air flow to the fuel system.
Mirror A reflective part that is used to
enable a driver to see on either side or
behind the vehicle. |
| Motor Mount The rubber mounts which
give cushion and reduces vibration
between the engine and the frame. |
| Muffler That part of the exhaust system
that muffles or quietens and reduces the
noise coming from the engine, located at
center and or rear of the vehicle. |
| Oil cap A metal or plastic cap on top of
an engine which is used to add engine oil
when removed. |
| Oil cap gasket A rubber gasket which
seals an oil cap to a valve cover. |
| Oil dipstick A metal shaft which is
submerged into a vehicles' oil pan used to
measure the crankcase oil. |
| Oil level sensor An electrical sensor
which uses a floating rheostat to monitor
and report the current engine oil level. |
| Oil pan On the bottom of the engine, a
cavity which holds the engine oil. |
| Oil pan drain plug A threaded plug at
the bottom of an oil pan which enables the
oil to be drained out and changed. |
| Oil pan drain plug washer A washer,
usually either copper, aluminum or rubber
which seals between the oil drain plug and
the oil pan. |
| Oil pan gasket The gasket that seals
the oil pan to the engine block. |
| Oil pressure switch An electrical
switch that monitors and reports to a light
or gauge, the engine's oil pressure. If a
light is used, the light will come on if
engine's oil pressure is dangerously low. |
| Oil pump A mechanical pump consisting
of a housing , gears and a wire screen.
This pump circulates engine oil through a
series of orifices ports and arteries
scattered throughout an engine, providing
life-sustaining lubrication for the engine. |
| Parking pawl A small curved "catch"
used in automatic transmissions so that
when the vehicle is placed in park, this
lever prevents the vehicle from rolling. |
| Pilot bearing A ball or needle bearing
situated in the center of a flywheel through
which the transmission main-shaft
protrudes so as to prevent any side to side
or up and down movement of it. |
| Piston A circular part that moves in an up
and down motion in a cylinder bore, which
together with the other pistons and the
engines valves delivers power to the
engine. |
| Plenum gasket The gasket which seals
between the intake manifold and the
plenum. |
| Power steering belt A v-belt or
serpentine belt used to drive a power
steering pump. |
| Power steering filter A filter, usually
located inside the power steering pump, for
the purpose of filtering particulate matter
out of the power steering fluid. |
| Power steering pump A hydraulic
pump used to pump power steering fluid
through a closed system in order to keep
the internal parts from being damaged
from the heat that is generated. |
| Power steering pump repair kit A
kit containing seals,o'rings and washers
used to rebuild or repair a power steering
pump. |
| Pressure plate A metal spring loaded
part used to disengage the transmission
when the clutch pedal is pushed down and
when the pedal is allowed to come up, to
reengage the transmission and deliver
power to the wheels. |
| Radiator fan motor A cooling fan
motor which gives the radiator additional
cooling when the coolant reaches a certain
temperature. |
| Radiator hose One of, usually two
hoses, connecting the radiator to the
engine. Also usually consisting of a supply
hose and a return hose, or one upper and
one lower hose. |
| Radiator mounts Rubber mounts used
to cushion and insulate between the
radiator and the radiator frame. |
| Rear glass seal The weatherstripping
around the rear glass that seals out air and
water. |
| Release bearing Working with the
pressure plate, when the clutch pedal is
depressed , disengages the pressure
plate and clutch disc and reengages them
when the pedal is allowed back up. |
| Receiver drier A round metal
cannister that contains desiccant and
uses it to remove small amounts of
moisture and particulate matter from
AC refrigerant. |
| Reference sensor An electrical
sensor which reports the position of a
camshaft or a crankshaft to an
on-board computer for the purpose of
ensuring that an engines' valve timing
is correct. |
| Relay An electromechanical switch
which controls electrical loads. |
| Rocker arm A part which is used
by camshaft movement to open and
close the intake and exhaust valves. |
| Rod bearings Thin semi-circular
aluminum or copper parts which are
used in pairs. An upper "shell" and a
lower shell. These fit inside the
connecting rod, between the
connecting rod and the rod journal on
the crankshaft. |
| Serpentine belt A belt which is
characterized by a series of ribs
running parallel with the belt, and one
that drives usually several pulleys. |
| Shifter bushing A circular
bushing, usually rubber or plastic,
which attach to a transmission
linkage and insulate between the
linkage and the transmission. |
| Shifter knob The handle which
attaches to the transmission shifter to
facilitate the shifting of the
transmission. |
| Shock absorbers Telescoping
cylinders located on each corner of a
suspension system which absorbs
small bumps and rough surfaces on
a road thereby limiting damage to the
suspension system and providing a
smoother ride. |
| Spark plug A threaded electrode
which screws into a combustion
chamber whose job it is to provide a
spark at the appropriate time in order
to create a controlled explosion in the
chamber, therefore delivering
horsepower to a vehicle. |
| Spark plug connector A metal
and rubber boot used to deliver a
spark from an ignition wire or coil to
the spark plug. |
| Speedometer cable A cable with
a flexible shaft that runs from a
speedometer gear inside the
transmission up to the speedometer,
to indicate current speed. |
| Spindle A part attached to the
control arm(s) on which a wheel
bearing hub mounts. |
| Spindle nut A threaded nut used to
hold a rotor and hub assembly on a
spindle. |
| Starter The electric motor used to
start a vehicle. When the ignition
switch is turned to the start position,
voltage is delivered to the starter
causing a gear to run up a shaft which
engages the flywheel and therefore
spins the engine over, at which point
the ignition and fuel systems work in
tandem to cause the engine to start. |
| Steering box A cast iron box
which connects to the various steering
components via a pitman arm, and is
also attached to the steering shaft
which is controlled by the use of the
steering wheel. |
| Steering box repair kit A kit
containing various seals o'rings and
washers used to rebuild or repair a
steering box. |
| Steering knuckle A part to which
the bearing hub mounts. |
| Steering Rack The main
component of a rack and pinion
steering system. A set of worm gears
inside a steel an cast iron housing
which facilitates the left and right
steering of the vehicle. |
| Sunroof seal Usually a rubber
(sometimes felt) gasket used to
prevent noise around a sunroof. |
| Sway bar bushings Those
bushings which help secure the sway
bar to the frame, usually consisting of
outers and inners. |
| Sway bar link The links, usually
having a swivel socket on each end
that connect the sway bar to the frame. |
| Tail light assembly A tail light
lens and housing with mounting
structure. |
| Tail light lens A plastic cover
which covers the tail light bulbs. |
| Tensioner assembly A device
which keeps tension on a belt or a
chain. |
| Thermostat A mechanical device
which opens and closes doe to
engine temperature. It opens as an
engine warms up, stays open while
engine is at operating temperature
and closes when engine cools back
down. |
| Thermostat housing gasket A
paper or rubber gasket which seals
between the engine block and the
thermostat housing. |
| Thermostat o'ring A round
rubber seal which seals the
thermostat cover to the thermostat
housing. |
| Thrust bearings In an engine, the
bearings or usually shaped like a
semi-circular washer which provides
the proper spacing and clearances for
the front to back movement of a
crankshaft. |
| Tie rod end That part of the
steering which, with conventional
steering, connects to the steering
knuckle on one end and the center
link on the other. With rack and pinion
steering it connects to the outer end of
the steering rack. |
| Timing chain A chain, similar to a
bicycle chain, used to drive various
engine gears, the power originating
from the crankshaft gear. |
| Timing chain kit A kit containing
all necessary components for
replacing the timing chain. Usually
including the timing chain, timing
gears, front crank seal, timing guide
rails and the tensioning rail.
|
| Transmission drain plug A
threaded screw plug on the bottom of
the transmission which enables the
transmission fluid to be drained out
and changed. |
| Transmission drain plug
washer The washer, usually copper,
aluminum or rubber which seals
between the transmission drain plug
and the transmission. |
| Transmission filter The filter,
usually a paper filter inside a metal
case, which filters particulate matter. |
| Transmission pan gasket A
cork or rubber gasket which seals the
transmission pan to the transmission. |
| Transmission mount The steel
and rubber mount which gives
cushion and reduces vibration
between the transmission and the
transmission cross member. |
| Transmission seal A circular
double-lipped seal for the front or rear
of a transmission. |
| Trunk seal A rubber gasket which
seals out wind noise and water from
the trunk area. |
| Turbo A device which, by utilizing a
small turbine, increases horsepower
by introducing additional air pressure
to boost compression and
performance. |
| Turn signal lens A plastic cover
which covers the turn signal bulb. |
| Turn signal light assembly A
lamp usually located next to the
headlamp which gives a directional
signal indicating the intentions of a
driver turning in a particular direction. |
| U joint A cross-shaped part that
depending on position, connects a
yoke to a transmission, a flange to a
differential or a front driveshaft section
to a rear section. |
| Vacuum pump A mechanical or
electrical pump which delivers
vacuum to a vacuum system via a set
of plastic line and rubber hoses. |
| Vacuum pump repair kit A kit
which contains the parts needed in
repairing or rebuilding a vacuum
pump. |
| Valve cover A metal or plastic
cover that covers the valve train area of
the top of the engine. |
| Valve cover gasket A gasket
that is used to seal the mating
surfaces of the valve cover and the
cylinder head. |
| Valve seals Circular seals made
of rubber, nylon, or a
combination,which fits at the base of a
valve guide and which prevents oil
from leaking down the inside of the
guide and into the combustion
chamber. |
| Warm-up regulator A device
which controls fuel pressure based
on engine temperature. |
| Water pump A mechanical pump
which is driven by a belt and uses an
impeller to circulate coolant through
an engine. |
| Wheel bearing A ball or roller
bearing used which allows the wheel
to roll without resistance or friction. |
| Wheel bolts The bolts which are
used to hold a wheel to a vehicle. |
| Wheel cylinders The hydraulic
cylinders used in conjunction with
brake shoes. When brake pedal is
pushed, the brake fluid travels inside
the wheel cylinders which causes the
pistons inside the cylinders to push
outward against the brake shoes,
therefore stopping the vehicle. |
| Wheel seal A double-lipped seal
which keeps the grease inside the
wheel bearing from leaking out. |
| Window motor The electric motor
which controls the up and down
movement of the window regulator. |
| Window regulator Usually a
scissors shaped part which
mechanically raises and lowers the
door glass. Some regulators utilize a
cable type raising and lowering
system. |
| Windshield seal The rubber
weatherstripping that seals around
the windshield and prevents air and
water from entering into the vehicle. |
| Wiper arm A metal part that
extends off the wiper motor linkage,
used to hold wiper a blade in place. |
| Wiper blade A metal and rubber
part with a soft rubber strip used to
wipe a windshield or rear glass. |
| Wiper blade refills aka wiper
blade inserts A soft rubber strip
which fits into a rubber frame used to
wipe a windshield or rear glass. |
| Wiper motor The electric motor
used to operate windshield wiper
blades. |
| Wiper relay The relay which
powers the wiper motor. |
| |
