My girlfriend has a 98 pontiac sunfire. Recently she has been having problems with her headlights flickering. Also now her interior lights are dim and her ABS light and check engine light are going on and off. Any ideas on what the problem could be? Thanks!
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Re: Flickering Headlights and Dim interior lights
Definately an electrical problem....first off, check the battery and alternator connections to make sure they are tight. The problem has to be before the fuse box because the headlights and interior lights are on different fuses. It sounds to me like a loose wire, corroded battery terminals, or an alternator that is going bad. An alternator is a relatively easy and cheap fix. They cost about $100 and require removing a few wires, 3 bolts, and the serpentine belt.
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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.
it is the most common problems with sunfire
if you follow headlights harness in front of the car near winshield washer bottle wiring could be cut .Remove tape and pull on each wires .. You should find the problem
hope it helps
Do the high beams work? How about he signal lights? seems to me a light relay (fuse) is gonzo. Basically, there is a light switch that is wired to a fuse/relay. From this fuse relay there is another wire that goes towards the headlights. Seeing both lights are not working chances are the fuse /relay is done for. Cheap and easy fix.
sounds like your alternator. if you have a multimeter then turn on your car and turn your headlights on/ac and heater fan on high/wipers on and blinkers on. once they are all on hook the meter to the battery and if it reads less then 14 volts then the alt is bad. or you can just take it to a shop and have it tested.
I just had found the solution to my dash light problem. The ground
between the battery neg pole and the car frame was bad (broken battery
holder) That ground signal also goes to the motor (that connexion was
good) but the connection between the frame of the car and the neg pole
of the battery was intermittent.