GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2007 🢒 Wave HB 🢒 Body Systems 🢒 Lighting 🢒 Parking Lamps and Taillamps Inoperative

Parking Lamps and Taillamps Inoperative Hatchback

Step

Action

Values

Yes

No

1

Test the headlamps.

Do the headlamps work?

--

Go to Step 3

Go to Step 2

2

Repair the headlamps before continuing with this chart.

After the headlamps have been repaired, are the parking lamps and tail lamps still inoperative?

--

Go to Step 3

System OK

3
  1. Turn ON the parking lamps.
  2. Use a voltmeter to measure the voltage at the bulb socket positive terminal.

Does the voltage at the bulb socket equal the specified value?

11-14 V

Go to Step 4

Go to Step 7

4

Connect an ohmmeter between ground and the lamp socket negative terminal.

Does the ohmmeter indicate continuity?

--

Go to Step 6

Go to Step 5

5

Repair the ground circuit for the lamps.

Is the repair complete?

--

System OK

--

6

Replace the faulty bulbs.

Is the repair complete?

--

System OK

--

7

Test fuses EF15 and EF14.

Are any of the fuses open?

--

Go to Step 8

Go to Step 9

8
  1. Test for a short circuit and repair, if necessary.
  2. Replace the fuse.

Is the repair complete?

--

System OK

--

9
  1. Turn ON the headlamps.
  2. Measure the voltage at fuses EF14, left-side illumination lamp, and EF15, right-side illumination lamp.

Does the voltage at the fuses equal the specified value?

11-14 V

Go to Step 10

--

10

Repair the open circuit between the fuses EF14 and EF15 and the illumination lamps.

Is the repair complete?

--

System OK

--

Parking Lamps and Taillamps Inoperative Notchback

Step

Action

Values

Yes

No

1

Check the headlamps.

Do the headlamps work?

--

Go to Step 3

Go to Step 2

2

Repair the headlamps before continuing with this chart.

After the headlamps have been repaired, are the parking lamps and tail lamps still inoperative?

--

Go to Step 3

System OK

3
  1. Turn the parking lamps on.
  2. Use a voltmeter to check voltage at the bulb socket positive terminal.

Does voltage at the bulb socket equal the specified value?

11-14V

Go to Step 4

Go to Step 7

4

Connect an ohmmeter between ground and the lamp socket negative terminal.

Is the resistance within the specified value?

<1.0 ohms

Go to Step 6

Go to Step 5

5

Repair the ground circuit for the lamps.

Is the repair complete?

--

System OK

--

6

Replace the faulty bulbs.

Is the repair complete?

--

System OK

--

7

Check fuses Ef8 and Ef9.

Are any of the fuses blown?

--

Go to Step 8

Go to Step 9

8
  1. Check for a short circuit and repair it, if necessary.
  2. Replace the fuse.

Is the repair complete?

--

System OK

--

9
  1. Turn the headlamps on.
  2. Check the voltage at fuses Ef8 (left side illumination lamp) and Ef9 (right side illumination lamp).

Does the voltage at the fuses equal the specified value?

11-14V

Go to Step 10

--

10

Repair the open circuit between the fuses Ef8 and Ef9 and the illumination lamps.

Is the repair complete?

--

System OK

--