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Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Body and Accessories 🢒 Doors 🢒 Power Windows Inoperative - One

Power Windows Inoperative - One 4-Door Utility/Suburban

Step

Action

Value(s)

Yes

No

Definition: This diagnostic should only be used when one power window (other then LF) doesn't work from either the master power window switch or the individual power window switch.

1

Has the Power Windows System Check been performed?

--

Go to Step 2

Go to Power Windows System Check

2
  1. Place the ignition switch in the RUN position.
  2. Connect a J 35616-200 test lamp between CKT 1307 (DK BLU) and ground at the appropriate power window switch.

Does the test lamp light?

--

Go to Step 3

Go to Step 10

3
  1. Connect a J 35616-200 test lamp at the appropriate power window switch between the DK BLU and BRN wires.
  2. Press UP the power window switch. Observe the test lamp.
  3. Press DOWN the power window switch. Observe the test lamp.

Does the test lamp light in both window switch position?

--

Go to Step 4

Go to Step 5

4
  1. Check for open(s) in the DK BLU and BRN wires between the power window switch and the power window motor. Refer to Wiring Repairs in Wiring Systems.
  2. If no open(s) are found, replace the power window motor. Refer to Power Accessory Switch Panel Replacement or Rear Side Door Window Switch Replacement .

Is the repair complete?

--

Go to Power Windows System Check

--

5

Connect a J 39200 DMM between ground and the appropriate power window switch circuits:

    • RF, CKT 167 (TAN) and CKT 166 (LT BLU)
    • RR, CKT 170 (LT GRN) and CKT 171 (PPL)
    • LR, CKT 169 (PPL) and CKT 168 (LT GRN)

Is there continuity?

--

Go to Step 6

Go to Step 7

6

Replace appropriate power window switch. Refer to Power Accessory Switch Panel Replacement or Rear Side Door Window Switch Replacement .

Is the repair complete?

--

Go to Power Windows System Check

--

7

Connect a J 39200 DMM between LF power window master switch connector C2 cavity C and ground.

Is there continuity?

--

Go to Step 9

Go to Step 8

8

Repair open in CKT 150 (BLK) between LF power window master switch and G202. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Windows System Check

--

9
  1. Check for opens between the power window master switch and the appropriate power window switch circuits:
    2. • RF, CKT 167 (TAN) and CKT 166 (LT BLU).
    • RR, CKT 170 (LT GRN) and CKT 171 (PPL).
    • LR, CKT 169 (PPL) andCKT 168 (LT GRN).
  2. Repair circuits as necessary. Refer to Wiring Repairs in Wiring Systems.
  3. If no opens are found, replace power window master switch. Refer to Power Accessory Switch Panel Replacement .

Is the repair complete?

--

Go to Power Windows System Check

--

10

Repair open in CKT 1307 (DK BLU) between appropriate the power window switch and the window lockout switch. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Windows System Check

--