Backup Lamps Always On. Pontiac Sun Runner - 4WD (Canada) 1998

For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Backup Lights System Check? | -- | Go to Step 2 | Go to Backup Lamp System Check
2 | Move the manual selector to the park or neutral position. Do the lamps go out? | -- | Go to Backup Lamp System Check | Go to Step 3
3 | Do the backup lights remain lit (manual transmission)? | -- | Go to Step 5 | Go to Step 4
4 | Do the backup lights remain lit (automatic transmission)? | -- | Go to Step 8 | --
5 | Disconnect connector C104. Do the backup lamps remain lit? | -- | Go to Step 6 | Go to Step 7
6 | Repair the short to voltage in the RED or the BRN/RED wire between the backup lamp switch and the rear combination lamps. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Backup Lamp System Check | --
7 | Replace the backup lamp switch. Is the repair complete? | -- | Go to Backup Lamp System Check | --

8

• | On 3-speed vehicles, disconnect the PNP switch connector C2.

• | On 4-speed vehicles, disconnect the transmission range switch.

Do the backup lamps remain lit?

--

Go to Step 9

Go to Step 10

9

• | On 3-speed vehicles, repair the short to voltage in the RED or BRN/RED wire between the PNP switch and the rear combination lamps. Refer to Wiring Repairs in Wiring Systems.

• | On 4-speed vehicles, repair the short to voltage in the RED or BRN/RED wire between the transmission range switch and the rear combination lamps. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Backup Lamp System Check

--

10

• | On 3-speed vehicles, replace the PNP switch.

• | On 4-speed vehicles, replace the transmission range switch.

Is the repair complete?

--

Go to Backup Lamp System Check

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