GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Opel 🢒 1999 🢒 Sintra 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Instrument Panel Lamps Erratic with Dimmer Switch

Step

Action

Value(s)

Yes

No

1

Inspect the headlamp and the instrument panel (IP) lamp dimmer switch harness connector for a poor connection.

Is there a poor connection?

--

Go to Step 2

Go to Step  3

2
  1. Repair a poor connection on the headlamp switch.
  2. Inspect the system.

Is the symptom still present?

--

Go to Step  3

Go to Interior Lamps System Check

3
  1. Replace the headlamp and IP lamp dimmer switch. Refer to Headlamp Switch Replacement .
  2. Inspect the system.

Is the symptom still present?

--

--

Go to Interior Lamps System Check