GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 Envoy - 4WD 🢒 Body and Accessories 🢒 Doors 🢒 Power Window Inoperative - Right Side Rear

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Windows System Check?

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Go to Step 2

Go to Power Windows System Check

2
  1. Access the left door lock and side window switch.
  2. Turn the ignition switch to the RUN position.
  3. Connect a J 39200 digital multimeter (DMM) to CKT 170 (LT GRN), terminal H at the left door lock and side window switch connector C2 and CKT 171 (PPL), terminal H at the left door lock and side window switch connector C1.
  4. Operate the right rear window at the left door lock and side window switch in the UP/DOWN position.
  5. Test for voltage.

Is battery voltage present?

Battery Voltage

Go to Step 6

Go to Step 3

3

Inspect for a poor connection at the left door lock and side window switch.

Is the connection OK?

--

Go to Step 5

Go to Step 4

4

Repair the connection as necessary.

Is the repair complete?

--

Go to Power Windows System Check

--

5

Replace the left door lock and side window switch.

Is the repair complete?

--

Go to Power Windows System Check

--

6
  1. Access the right rear side window switch.
  2. Turn the ignition switch to the RUN position.
  3. Connect a J 39200 DMM to CKT 168 (DK GRN), terminal A at the right rear side window switch connector and ground.
  4. Ensure that the right rear side window switch connector remains connected.
  5. Operate the right rear window at the left door lock and side window switch in the UP position.
  6. Test for voltage.

Is battery voltage present?

Battery Voltage

Go to Step 8

Go to Step 7

7

Locate and repair the open or high resistance in CKT 168 (DK GRN), or CKT 170 (LT GRN) between the right rear r side window switch connector, terminal A and the left door lock and side window switch connector C2, terminal H.

Is the repair complete?

--

Go to Power Windows System Check

--

8
  1. Connect a J 39200 DMM to CKT 169 (PPL), terminal D at the right rear side window switch connector and ground.
  2. Ensure that the right rear side window switch connector remains connected.
  3. Operate the right rear window at the left door lock and side window switch in the DOWN position.
  4. Test for voltage.

Is Battery voltage present?

Battery Voltage

Go to Step 10

Go to Step 9

9

Locate and repair the open or high resistance in CKT 169 (PPL), or CKT 171 (PPL) between the right rear side window switch connector, terminal D and the left door lock and side window switch connector C1, terminal H.

Is the repair complete?

--

Go to Power Windows System Check

--

10
  1. Connect a J 39200 DMM to CKT 668 (DK BLU), terminal C and CKT 669 (BRN), terminal F at the right rear window switch connector.
  2. Operate the right rear window at the left door lock and side window switch in the UP/DOWN position.
  3. Test for voltage.

Is battery voltage present?

Battery Voltage

Go to Step 14

Go to Step 11

11

Inspect for a poor connection at the right rear door lock and side window switch.

Is the connection OK?

--

Go to Step 13

Go to Step 12

12

Repair the connection as necessary.

Is the repair complete?

--

Go to Power Windows System Check

--

13

Replace the right rear side window switch.

Is the repair complete?

--

Go to Power Windows System Check

--

14
  1. Turn the ignition switch to the RUN position.
  2. Place the side window lockout switch in the NORMAL (UNLOCKED) position.
  3. Connect a J 39200 DMM to CKT 1307 (DK BLU), terminal B at the right rear side window switch connector and ground.
  4. Ensure that the right rear side window switch connector remains connected.
  5. Test for voltage.

Is battery voltage present?

Battery Voltage

Go to Step 16

Go to Step 15

15

Locate and repair the open or high resistance between CKT 1307 (DK BLU) at S306 and CKT 1307 (DK BLU), terminal B at the right rear side window switch connector.

Is the repair complete?

--

Go to Power Windows System Check

--

16
  1. Connect a J 39200 DMM to CKT 668 (DK BLU), terminal B at the right rear window regulator motor connector and CKT 669 (BRN), terminal F at the right rear side window switch connector.
  2. Operate the right rear side window switch in the UP position.
  3. Test for voltage.

Is battery voltage present?

Battery Voltage

Go to Step 18

Go to Step 17

17

Locate and repair the open or high resistance at CKT 668 (DK BLU) between terminal B at the right rear window regulator motor connector and terminal C at the right rear side window switch connector.

Is the repair complete?

--

Go to Power Windows System Check

--

18
  1. Connect a J 39200 DMM to CKT 668 (DK BLU), terminal B and CKT 669 (BRN), terminal A at the right rear window regulator motor connector.
  2. Operate the right rear side window switch in the DOWN position.
  3. Test for voltage.

Is battery voltage present?

Battery Voltage

Go to Step 20

Go to Step 19

19

Locate and repair the open or high resistance at CKT 669 (BRN) between terminal A at the right rear window regulator motor connector and terminal F at the right rear side window switch connector.

Is the repair complete?

--

Go to Power Windows System Check

--

20

Inspect for a poor connection at the right rear side window regulator motor.

Is the connection OK?

--

Go to Step 22

Go to Step 21

21

Repair the connection as necessary.

Is the repair complete?

--

Go to Power Windows System Check

--

22

Replace the right rear side window regulator motor.

Is the repair complete?

--

Go to Power Windows System Check

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