Dodge Neon / Neon SRT-4. Manual — part 93

CAUTION: Do not use bulbs other than the bulb
listed in the table below. Damage to lamp can
result. Do not touch halogen bulbs with fingers or
other oily surfaces. Bulb life will be reduced.

BULB APPLICATION TABLE

LAMP

BULB

BACK UP LAMP

W16W

CENTER HIGH MOUNTED
STOP LAMP (CHMSL)

W16W

FRONT FOG LAMP

GE 899

FRONT PARK/TURN SIGNAL
LAMP

3457 AK

FRONT SIDE MARKER LAMP

168

HEADLAMP

9007

LICENSE PLATE LAMP

168

REAR TAIL/STOP/TURN SIGNAL
LAMP

3157 - P27/7W

BULB APPLICATION TABLE - EXPORT/RHD

LAMP

BULB

FRONT FOG LAMP

9145

FRONT PARK/TURN SIGNAL
LAMP

4157NAK

BACKUP LAMP SWITCH

REMOVAL

(1) Lift vehicle on hoist.
(2) From bottom side of vehicle, disconnect back-up

lamp switch connector (Fig. 1).

(3) Unscrew switch from transaxle.

INSTALLATION

(1) Install back-up lamp switch. Teflon tape or

equivalent must be used on switch threads. Tighten
switch to 24 N·m (18 ft. lbs.) torque.

CAUTION: Do not overtighten switch.

(2) Connect back-up lamp switch connector (Fig. 1).
(3) Lower vehicle.
(4) Verify back-up lamp operation.

Fig. 1 BACK-UP LAMP SWITCH

1 - CONNECTOR
2 - BACK UP LAMP SWITCH

8L - 2

LAMPS/LIGHTING - EXTERIOR

PL/SRT-4

BRAKE LAMP SWITCH

DESCRIPTION

The brake lamp switch is located under the instru-

ment panel, at the brake pedal arm (Fig. 2). It has
three internal switches controlling various functions
of the vehicle. It’s main function is to control opera-
tion of the vehicle’s brake lamps. Other functions
include speed control deactivation, brake sense for
the antilock brake system and brake sense for the
brake transmission shift interlock.

CAUTION: The switch can only be adjusted once.
That is during initial installation of the switch. If the
switch

not

adjusted

properly

has

been

removed for some service, a new switch must be
installed and adjusted.

OPERATION

When the brake pedal is pressed, the plunger on

the outside of the brake lamp switch extends out-
ward. This action opens or closes the contacts of the
three switches inside the brake lamp switch.

With the brake pedal pressed down (plunger

extended), the switch for terminals 1 and 2 is closed
completing the circuit. The switch for terminals 3
and 4 is open and so is the switch for terminals 5
and 6.

When the brake pedal is released (plunger pushed

in), the three switches assume the opposite positions.
The switch for terminals 1 and 2 is now open while
the other two switches are now closed, completing
their circuits.

A lever on the back of the switch is used to set the

switch into the “adjusted” position. A non-adjusted
switch will have the lever set to the diagonal position
in relation to the switch housing. The plunger can be

moved in and out, but the states of the internal
switches will not change.

CAUTION: Never move the adjustment lever of the
new brake lamp switch without it being properly
installed in the vehicle first. Such action will render
the switch unusable and the switch must be dis-
carded.

Once installed in the vehicle as described in the

brake lamp switch installation procedure (Refer to 8 -
ELECTRICAL/LAMPS/LIGHTING

EXTERIOR/

BRAKE LAMP SWITCH - INSTALLATION), the new
switch’s adjustment lever is rotated to the adjusted
position as indicated (Fig. 5). This action locks the
plunger to the internal switches. Once in this posi-
tion the switch is permanently adjusted (or
locked) and cannot be readjusted or released
even if the lever is moved back.

DIAGNOSIS AND TESTING - BRAKE LAMP
SWITCH

NOTE: Before proceeding with this diagnostic test,
verify the adjustment lever on the back of the
switch is in the adjusted position. If the lever is in
the non-adjusted (diagonal) position it may have
never been adjusted (Refer to 8 - ELECTRICAL/
LAMPS/LIGHTING

EXTERIOR/BRAKE

LAMP

SWITCH - OPERATION). For adjustment, (Refer to 8
-

ELECTRICAL/LAMPS/LIGHTING

EXTERIOR/

BRAKE LAMP SWITCH - INSTALLATION)

If the electrical circuit has been tested and the

brake lamp switch is suspected of being faulty, it can
be tested using the following method.

(1) Remove the switch from the vehicle. (Refer to 8

- ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/
BRAKE LAMP SWITCH - REMOVAL)

(2) With

the

switch

the

released

position

(plunger extended), use an ohmmeter to test each of
the three internal switches as shown (Fig. 3). You
should achieve the results as listed in the figure.

(3) Gently push the plunger on the brake lamp

switch in until it stops.

(4) With the switch in this depressed position

(plunger pushed in), use an ohmmeter to test each of
the three internal switches as shown (Fig. 4). You
should achieve the results as listed in the figure.

If you do not achieve the results as listed in both

figures, the switch is faulty and must be replaced.
Refer to Removal And Installation in this section.

If the switch is found to be operating properly, it

may be misadjusted. Do not reinstall the switch,
replace it. (Refer to 8 - ELECTRICAL/LAMPS/
LIGHTING - EXTERIOR/BRAKE LAMP SWITCH -
INSTALLATION)

Fig. 2 BRAKE LAMP SWITCH

1 - SWITCH
2 - BRAKE PEDAL ARM

PL/SRT-4

LAMPS/LIGHTING - EXTERIOR

8L - 3

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Dodge Neon / Neon SRT-4. Manual — part 93

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