GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 Jimmy - 4WD 🢒 Body and Accessories 🢒 Doors 🢒 Power Mirrors Inoperative - One

Step

Action

Value(s)

Yes

No

1

Did you perform the Outside Mirrors System Check?

--

Go to Step 2

Go to Outside Mirrors System Check

2
  1. Disconnect the inoperative power outside mirror connector.
  2. Position the selector switch to the inoperative power mirror.
  3. Connect a test lamp between CKT 1496 (YEL) cavity C and ground.
  4. Move the switch to the UP and LEFT positions.

Does the test lamp light?

--

Go to Step 3

Go to Step 6

3
  1. For the LH outside rear view mirror, connect a test lamp between CKT 89 (LT GRN) cavity D and ground.
  2. For the RH outside rear view mirror, connect a test lamp between CKT 889 (PPL/WHT) cavity D and ground.
  3. Move the switch to the DOWN position.

Does the test lamp light?

--

Go to Step 4

Go to Step 7

4
  1. For the LH outside rear view mirror, connect a test lamp between CKT 81 (WHT) cavity E and ground.
  2. For the RH outside rear view mirror, connect a test lamp between CKT 881 (RED/WHT) cavity E and ground.
  3. Move the switch to the RIGHT position.

Does the test lamp light?

--

Go to Step 5

Go to Step 8

5

Replace the appropriate outside rear view mirror.

--

Go to Outside Mirrors System Check

--

6

Inspect for an open in CKT 1496 (YEL) between the inoperative power outside mirror and the power mirror switch.

Is an open present?

--

Go to Step 9

Go to Step 12

7

Inspect for an open in CKT 89 (LT GRN) or CKT 889 (PPL/WHT) between the inoperative power outside mirror and the power mirror switch.

Is an open present?

--

Go to Step 10

Go to Step 12

8

Inspect for an open in CKT 81 (WHT) or CKT 881 (RED/WHT) between the inoperative power outside mirror and the power mirror switch.

Is an open present?

--

Go to Step 11

Go to Step 12

9

Repair the open in CKT 1496 (YEL) between the inoperative power outside mirror and the power mirror switch.

Is an repair complete?

--

Go to Outside Mirrors System Check

--

10

Repair the open in CKT 89 (LT GRN) or CKT 889 (PPL/WHT) between the inoperative power outside mirror and the power mirror switch.

Is an repair complete?

--

Go to Outside Mirrors System Check

--

11

Repair the open in CKT 81 (WHT) or CKT 881 (RED/WHT) between the inoperative power outside mirror and the power mirror switch.

Is an repair complete?

--

Go to Outside Mirrors System Check

--

12

Replace the power mirror switch.

Is the repair complete?

--

Go to Outside Mirrors System Check

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