1998 Pontiac Sunfire Turn signals/auto door locks/emergency

IGORKAR

MEMBER
1998 PONTIAC SUNFIRE
4 CYL
2WD
AUTOMATIC
24,000 MILES

Hi. My 1998 Pontiac Sunfire has developed a problem when turn signals/emergency flashers and automatic door locks do not work for a periods of time. The fuses are OK, besides they seem always to fail simultaneously with no pattern. And just as simultaneously they come back up. Any diagnosis? Thanks>

3 Replies

2CARPRO JACK

MECHANIC
11,533 POSTS

Those two circuits dont share anything as far as power goes. Does this car have an aftermarket alarm? If so I would go straight to it. The installers usually use "scoth-locks", they break the wire and can create continuity problems

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Saturday, April 5th, 2008 AT 8:15 AM

IGORKAR

MEMBER
2 POSTS

Thanks for reply - no it does not have any alarms, either manufacturer's or aftermarket. There is a defenite dependancy in a way the turns signals/emergency flashers and powerlocks fail and then come back. Coincedence?

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Saturday, April 5th, 2008 AT 10:59 AM

2CARPRO JACK

MECHANIC
11,533 POSTS

The only place I can see where they would cross paths is if the alarm blinks the lights. Cant see in my diagrams where they share any power or anything else

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Sunday, April 6th, 2008 AT 7:20 AM