NEED TO FIND OUT....

1985 GMC

Tiny

T Mo

March, 27, 2008 AT 10:50 AM

Electrical problem
1985 Other GMC Models V8 Four Wheel Drive Automatic 80,200 miles

I have a 1985 GMC Suburban and I need to find out if it is positive side switched or negative side switched, how do I know?

FOUND 6262 RELATED QUESTIONS

4 Wheel Drive

2 ANSWERS
1 IMAGE

3 Answers

Tiny

rasmataz

March, 27, 2008 AT 11:00 AM

What are you working on? I don't get it

Tiny

T Mo

March, 27, 2008 AT 11:55 AM

I am installing a headlight flasher and I need to know if I have a positive or negative side switched system, dont know how to find out.

Tiny

rasmataz

March, 27, 2008 AT 3:50 PM

For me at the coil side of the relay positive goes in and the other side goes to ground

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