Question about 1998 Pontiac Sunfire

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I just got my car back from the mechanics after having my radiator replaced...and now my headlamp on the drivers side is very dim and flickering. The turn signal indicator lamp stays on all the time for right turns. Occasionally when I'm driving, the "brights" indicator will flash, and when that happens the turn signal indicator will go off...any ideas?

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  • Pontiac Master
  • 540 Answers

Sounds like they might have pinched or cut a wire up front while replacing the radiator i have seen that before

Posted on Sep 10, 2010

  • 2 more comments 
  • melissa_bouw Sep 10, 2010

    Thanks for your response...Is this something I can check into myself, or should I take it back to the mechanic...

  • melissa_bouw Sep 10, 2010

    Thanks for your response...Is this something I can check into myself, or should I take it back to the mechanic...

  • melissa_bouw Sep 10, 2010

    Thanks for your response...Is this something I can check into myself, or should I take it back to the mechanic...

  • melissa_bouw Sep 10, 2010

    Thanks for your response...Is this something I can check into myself, or should I take it back to the mechanic...

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1 Answer

2000 chevy silverado 2500 flickering lights


Are you talking about the headlamps? Can you operate the headlamps manually instead of auto, does it make any difference? In the past on different makes and models, I've seen headlamp intensity brighten and dim because of faulty battery cable.

Sep 29, 2016 | Cars & Trucks

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Why is my Passenger headlamp dim. No other lights affected on right side.


The passenger side is grounding threw the drivers side. When you pull the drivers side light the other looses it ground. It is actually grounded threw the bulb. The reason it is dim. It could be the plug. Find the ground and run a new one to the bulb from the body.

May 20, 2016 | 2006 Pontiac Torrent

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Why doesn't my speedometer/odometer, horn and headlights work?


Which insturment cluster does your's have ? electronic instrument cluster or standard instrument cluster !

Standard insturment cluster - speedo / odometer
Speedometer/Odometer
The speedometer and odometer provides speed information based on a speed/distance pulse signal from the vehicle speed sensor (VSS). The VSS is mounted on the speedometer driven gear in the transmission.
Could be the VSS is bad .
Horn The horn system includes the following:
  • horn relay
  • horn
  • clock spring
  • steering wheel control switch harness
  • steering wheel pad horn switch, which is part of the driver side air bag module. For additional information, refer to Section 501-20B .
The horn is located behind the front bumper mounted to the radiator support.

Is the air bag light lit on the insturment cluster ? If it is the clock spring could be the problem . If not lit check the circuits from the horn relay .

VEHICLE RELAYS Operation Diagnosis .

Which headlamps don't work ? Low beams , high beams , both ?
  • The high beams are inoperative
  • Bulbs.
  • Circuitry.
  • Multifunction switch.
  • GO to Pinpoint Test C .
  • The low beams are inoperative
  • Bulbs.
  • Circuitry.
  • Headlamp switch.
  • Multifunction switch.
  • LCM.
  • GO to Pinpoint Test D .
Principles of Operation
NOTE: Due to varying wattage ratings and resulting current draw, certain aftermarket headlamp bulbs may cause the lighting control module (LCM) to shut down the short circuit protection, resulting in the low beams becoming inoperative. Verify that the headlamp bulbs meet Ford specifications.
Headlamp System The headlamp system consists of:
  • two aerodynamic halogen headlamp bulbs and retainers
  • headlamp switch
  • multifunction switch
  • lighting control module (LCM)
  • circuit wiring and circuit protection
In normal operation:
  • With the multifunction switch in the low beam position, power is supplied by the LCM to the low beam elements through the multifunction switch.
  • With the multifunction switch in the high beam position (forward detent), power is supplied to the high beam elements and to the high beam indicator in the instrument cluster.
  • When the multifunction switch is pulled toward the steering wheel, the flash-to-pass switch (part of the multifunction switch) is closed and power is supplied to the high beam elements. When the switch is released, they return to low beam operation.
  • The battery saver feature of the LCM will automatically turn off the courtesy lamps, demand lamps, headlamps, or parking lamps under the following conditions:
    • The ignition switch is in the OFF position.
    • The headlamp switch is in parking lamps ON or headlamps ON positions.
    • After 10 minutes.
Headlamp Switch The headlamp switch is a multi-position switch.
  • The positions include OFF, PARK, and HEAD.
  • With the headlamp switch in the PARK position (first detent), a signal is supplied to the LCM which powers the front parking lamps, the tail lamps, the side marker lamps, and the license lamp.
  • With the headlamp switch in the HEAD position, power is supplied to the headlamps through the LCM and the multifunction switch.
  • The panel dim switch (part of the headlamp switch) is located above the headlamp switch. The panel dim switch operates only with the parking lamps or headlamps on.
  • When the panel dim switch is held in the up position, the instrument panel lighting will progressively brighten.
  • When the panel dim switch is held in the down position, the instrument panel lighting will progressively dim.
For additional information, refer to Section 413-00 .
Headlamps On Warning Chime If the headlamp switch is left in either the PARK or HEAD position and the driver door is opened, the LCM will sound a headlamps on reminder chime when the following conditions occur:
  • The ignition switch is OFF with the ignition key out.
  • The driver door is ajar.
For additional information, refer to Section 413-09 .

Inspection and Verification
  1. Verify the customer concern by operating the system.
  1. Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Headlamp switch
  • Central junction box (CJB) fuse(s):
    • 6 (15A)
    • 15 (15A)
    • 21 (15A)
    • 23 (15A)
    • 27 (20A)
  • Battery junction box (BJB) HI-BEAM HEADLIGHTS (20A) fuse
  • Circuitry
  • Headlamp bulb
  • Lighting control module (LCM)
  • Loose or corroded connections

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1 Answer

HID Headlamp flickers and then shuts off withing a few seconds after coming on.


Sounds like the head light is defective or the driver for the light. Normally both are replaced.

May 02, 2014 | 2005 BMW 330Ci Cabriolet

1 Answer

Driver side headlight went out, only on dim, high beam works. I replaced the bulb but that is not the problem. doesn't seem to be the fuse, either. What could be the problem?


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1 Answer

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first i would want to know that all the headlamps are in good working order. it kind of sounds like these are also bad bulbs. you will also need to look for good ground wires just behind the headlamp assemblies. to answere your question, YES. if things were not repaired properly and without attention to detail then you could have wiring issues. on the plus side it doesnt sound too difficult. try these items first.

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