Opel Frontera UE. Manual - part 1668

8D–102

WIRING SYSTEM

Parts Location

D08RY00824

Legend

(1) B–9
(2) Backup Light – RH
(3) Backup Light – LH
(4) B–13
(5) H–15, H–16

(6) B–8
(7) B–6
(8) H–39
(9) E–62

(10) E–53

(11) Relay & Fuse Box

SECTION

8D–103

WIRING SYSTEM

Diagnosis

Both Backup Lights Inoperative

Step

Action

Value(s)

Yes

No

1

Is the fuse C–14 normal?

—

Go to Step 2

Replace the

fuse

2

Are B–6 and B–8 ground securely?

—

Go to Step 3

Ground them

securely

3

1. Disconnect the mode switch connector E–53 or

backup light switch connector E–62 and E–63.

2. Turn the starter switch on.

Is the battery voltage applied between harness side
connector E-53 terminal 5 and the ground, or harness
side connector E–62 terminal 1 and the ground?

Approx. 12V

Go to Step 5

Go to Step 4

4

Repair an open circuit between the fuse C–14 and
connector E–53 terminal 5 or connector E–62 terminal
1.

Is the action complete?

—

Go to Step 3

—

5

Set the transmission gear to the reverse position.

Is there continuity between mode switch side
connector terminal 2 and 5, or backup light switch side
connector terminals?

—

Go to Step 6

Repair or

replace the

switch

6

1. Reconnect the mode switch connector E–53 or

backup light switch connector E–62 and E–63.

2. Disconnect the backup light connector B–9 or B–13.

Is the battery voltage applied between the backup light
harness side connector terminal 5 and the ground?

Approx. 12V

Go to Step 8

Go to Step 7

7

Repair an open circuit between the mode switch or
backup light switch and the backup lights.

Is the action complete?

—

Verify repair

—

8

Repair an open circuit between backup lights and the
ground.

Is the action complete?

—

Verify repair

—

Backup Light On The Left (or Right) Side Inoperative

Step

Action

Value(s)

Yes

No

1

Remove the backup light bulb on the left or right side.

Is the bulb normal?

—

Go to Step 2

Replace the

bulb

2

1. Set the transmission gear to the reverse position.
2. Turn the starter switch on.

Is the battery voltage applied between backup light
harness side connector B–9 or B–13 terminal 5 and the
ground?

Approx. 12V

Go to Step 4

Go to Step 3

3

Repair an open circuit between connector H–15
terminal 12 and the backup light on the left or right side.

Is the action complete?

—

Verify repair

—

4

Repair an open circuit between the backup light on the
left or right side and the ground.

Is the action complete?

—

Verify repair

—

SECTION

8D–104

WIRING SYSTEM

Backup Lights Remain On

Step

Action

Value(s)

Yes

No

1

Repair or replace the mode switch or the backup light
switch.

Is the action complete?

—

Verify repair

—

SECTION

8D–105

WIRING SYSTEM

Horn

General Description

The circuit consists of horn (high note and low note), horn
relay (alarm & relay control unit) and horn switch.
When horn switch is pressed, (independent of position of
starter switch) horn relay is activated to sound horns.

SECTION