Question about 1998 Pontiac Sunfire

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1998 Pontiac Sunfire GT. The passenger bright headlight is out, when I turn the car on the lights flash repeatedly then quit (the daytime running lights do not work other than that). We've tried replacing the bulb, checking the fuses and replacing the relay in the fuse box, but nothing has worked. I see from a wiring diagram online that there is a second relay on the car. Where is that located or could there be another problem? I also have a problem with the cruise control working only intermittently, when it want's to (and not often), could the 2 be related? I see that the headlight switch is also linked to the cruise control, and come as one assembly.

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  • Pontiac Master
  • 11,479 Answers

If i were you i wouldn't worry about the second relay too much .because there is only one , the DRL relay !Guessing never fix's automotive electrical problems ! Testing is the name of the game , with the aid of wiring diagrams an reading an understanding how the electrical circuits work . An learning how to diagnose correctly .
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How to Use Multimeter to Troubleshoot Common Problems YouTube
The Trainer 29 Understanding How Electrical CIrcuits Work and How to Test...

The instrument cluster controls the headlamp systems that include daytime running lamps (DRL). The system allows the headlamps to operate at a reduced intensity when all of the following conditions apply:
• The engine is running.
• The transaxle is not in the PARK position.
• The normal headlamps are not on.
The instrument cluster turns the DRL system on by grounding CKT 592, thereby energizing the DRL relay. This action allows a reduced voltage of 6 volts to flow across the headlamps. If the vehicle has the optional fog lamps, the fog lamp relay will also be energized. The park lamps will turn on and the fog lamps will operate normally. When the headlamp switch is turned to the ON position, the instrument cluster allows normal headlamp operation.
The instrument cluster also has an input from the park brake. If the park brake is in the ON position, the DRL will remain disabled until the park brake is placed in the OFF position. On vehicles with an automatic transaxle, the instrument cluster will disable the DRL until the transaxle has been taken out of the PARK position.
Headlamps
A rocker type switch is located on the left side of the instrument panel (IP). The rocker type switch controls the headlamps. One switch position turns on the following lamps:
• The parking lamps
• The side marker lamps
• The taillamps
• The license plate lamp
• The IP lamps
• The interior lamps
The second switch position turns on the headlamps in addition to all of the above lamps.
An IP lamp dimmer control is provided in order to vary the intensity of the IP lamps. Turn the control past the full bright detent in order to turn on the courtesy lamps.
The under hood lamp is designed to turn on under the following conditions:
• When the hood is raised
• When the parking or headlamp switch is on

You probably have a open circuit in the wiring for the passanger high beam .

Your best bet would be to have a qualified repair shop check it out . May have a broken wire somewhere in the wiring harness .

Posted on Apr 04, 2017

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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: 1998 Pontiac Sunfire backup lamp

I see this a lot at the autoparts store I work at....

Go to your local parts store and inquire about a backup light switch. Be specific though because there is also a backup/neutral safety switch (for manual vehichles) this is not the part you want.

In most cases you will have power at the pigtail but when put in reverse the switch will not function properly and actually cut power to the lights. I offer no garanty that this will solve your problem, it is just an issue I see often and is typically the solution.

FYI: I sell 100 bulbs a day and can tell you that in a lot of cases (GM cars especially) depending on which factory your car came out of they could have used different pigtails (sockets) which require different bulbs, try one of each bulb number in the original socket and see which one fits, that one will be correct (there should also be print at the bottom of the old bulb with the correct part number on it (ignore any letters they dont mean anything).

Good luck, Hope I was of some help.

Posted on Aug 30, 2008

  • 4 Answers

SOURCE: pontiac sunfire gt idle rate..

Hi if you have the metal intake there is a torx screw adjustment behind the plastic cover for throttle cable. in = more idle rpm and out =less rpm hope this helps


Ray

Posted on Dec 23, 2008

  • 83 Answers

SOURCE: 2002 sunfire Drl problem

check wiring in front of washer bottle and harness will lead to passanger side follow it open up harness ussually broken wires inside causing dim or no headlights.

Posted on Jan 03, 2009

  • 1 Answer

SOURCE: pontiac sunfire

I had that problem last year. I bought a new starter but it was not the correct one for my car. For the 98 there are two different starters. I bought the wrong one the first time. My step father started to put it one and realized it was not the same as the one he just pulled off. Ending up taking it with us when we returned the orginial one I bought. The orginial one I bought was about $70 the correct one was $400. The auto store did not have the correct one listed as a replacement part. Until the number off of the part was keyed into the system and found out that it was just not the common replacement part.

Posted on Feb 15, 2009

  • 1 Answer

SOURCE: How to change spark plugs in a 1998 Pontiac Sunfire GT

gt will have a 2.4L DOHC their beneath the cam cover right ontop

Posted on Mar 07, 2009

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2005 pontiac sunfire headlights flickering when lights are off, but stop when lights are turned back on.


You have a problem with the daytime running lights system. It could be the sensor, relay or body control module. The sensor is on the top of the dash, there is a panel up there that pops of to access it. (be careful because they do break easily). The relay is in the under hood fuse panel. The BCM is under the dash. It could be one of these or just a bad connection at the BCM,relay, or sensor. These are the reason it flashes. When you turn the lights on manually, it bypasses all of this. Fixing this, you need a volt meter and wiring diagrams.

May 12, 2014 | 2005 Pontiac Sunfire

1 Answer

My daytime running lights work, high beams will come on but switch wont stay on, have to hold it. Low beams do not work and daytime running light dash indicator stays on all the time. Is it a relay or...


if you have to hold the switch so the high beams stay on then that indicates a bad/worn switch,you could have 2 problems the day time running light relay may have a problem with it.i would first replace the headlight switch at the base of the steering colume as by the info you supply its not changing to the high beam side without holding the switch in position.

May 25, 2011 | 1998 Pontiac Sunfire

1 Answer

2005 sunfire.. service light stays on and when you start the car it makes a clicking sound and the headlights flicker off and on. They should stay on but don't unless you actually turn them on.


the daytime runnig lights are inoperative, could be the module, relay or a bulb, usually bad wiring, go to cavalier daytime running lights on the web,, there you will get diagnosis directions

Nov 17, 2010 | 2005 Pontiac Sunfire

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I have no daytime running lights, one headlight is bright on low and high beam. The passenger side is dim at all times. I have changed the bulbs on both side but with no difference. I was told it could be...


the center wire that plugs into the socket is the ground. Always use a OHM meter to check. Then splice in a new wire and ground in to the sheet metal. That way you will receive brighter lights

Apr 06, 2010 | 1999 Pontiac Sunfire

1 Answer

Daytime running lights and low beam lights not workin, fuse is fine. Replaced relay lights still don't work.


I just worked on a Pontiac Sunfire on a light issue. The driving lights are on a separate switch on a 2003 from the dimmer switch. Have you checked to make sure both low beam light bulbs for your headlights are not burnt out on low beam? Have you checked to make sure you have power to the low beam where the connector connects onto the bulb?

Dec 09, 2009 | 1998 Pontiac Sunfire

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