Blower Motor Inoperative at High Speed Only. Pontiac Sun Runner - 2WD (Canada) 1998

For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Was the Heater Blower Controls System Check performed? | -- | Go to Step 2 | Go to Heater Blower Controls System Check

2

1. Move the blower speed selector switch to HIGH.
2. Backprobe the blower speed selector switch connector with a test lamp from cavity 3 to chassis ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3 | Repair the open in the PNK wire between the blower speed selector switch and S239. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Heater Blower Controls System Check | --
4 | Replace the blower speed selector switch. Refer to Blower Switch Replacement . Is the repair complete? | -- | Go to Heater Blower Controls System Check | --