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Performance Upgrades - Maintenance - Modifications - Problem Solving - Off-Road - Street Trucks. Covering the Explorer, ST, Sport, Lincoln Aviator, Sport Trac, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Aerostar. Featuring H.I. - Human Intelligence.
Try using a multimater or a test light to derermine which is which. It could be very possible that they are both positive and it grounds off something else.
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My guess is neither is a ground. The overhead lights are usually grounded by being screwed to the roof. Check your old dome light for a setup like this. It should give you a hint.
found out that both are positive from the truck.
got 5 wires going from the console.
used two wires for ground & the other 3 for power.
now I have map lights, but no dome light.
I also have the cargo & door lights on all the time.
trying to figure this out.
If I could get my hands on a meter or test light I just haven't been able to find one as of yet.
I guess I should ask a friend, he's a electrician on 45 million dollar Aircraft he should be able to figure out my Dome Light...might even have a multimeter.....
I guess I should ask a friend, he's a electrician on 45 million dollar Aircraft he should be able to figure out my Dome Light...might even have a multimeter.....
For one person working alone even better than a light or to assist with a meter try using a seabelt "dinger" or door "dinger". That way, even when you can't see to tell you can hear.
It does however perminently stay on if turned on then off in a certian sequence. Just have to reverse sequence and turn them off. That I can deal with.