GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1999 🢒 Isuzu MD Steel Tilt (F Model) 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Turn Signal Indicators Inoperative - Right Side

Step

Action

Value(s)

Yes

No

1
  1. Place the turn signal switch in the Right turn position.
  2. Disconnect the 15-way Instrument Cluster harness connector.
  3. Connect a test lamp between connector C1 terminal 9 and connector C1 terminal 13 and chassis ground.

Does the test lamp flash?

--

Go to Step 2

Go to Step 3

2

Replace the Instrument Cluster.

Is the repair complete?

--

System OK

--

3
  1. Keep the turn signal switch in the Right turn position.
  2. Disconnect the harness connector C212.
  3. Connect a test lamp between terminal  C4 in the lower IP harness connector C212 and the chassis ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

4

Repair the open in CKT 18 (BLU) between terminal C4 in the upper IP harness connector and connector C1 terminal 13 in the upper IP 15-way harness connector.

Is the repair complete?

--

System OK

--

5

Repair the open in CKT 140 (BLU) between S335 and terminal C4 in the lower IP harness connector.

Is the repair complete?

--

System OK

--