No windows work, Interior lights not working

2002 MERCURY
208,000 MILES • 3.6L • 6 CYL • FWD • AUTOMATIC
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SERENITY RAIN
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Windows none of them work at all, interior lights either. I replaced fuses, new switch, checked wires in door hinge. now I bought a relay but not sure where it goes or if this could be problem. We even tried hot wiring to door locks that did not work, no sound under dash either. Please help.
Jul 4, 2017 at 1:09 PM
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STRAILER
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Hello,

Yep I can help what model is it?

Cheers, Ken
Jul 5, 2017 at 5:17 PM
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SERENITY RAIN
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2002 mercury Sable
Jul 8, 2017 at 11:02 AM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
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Okay, there is a battery saver and a accessory relay that supplies power to all of the accessories you have described. Here are some wiring a relay locations so you can do some testing to confirm the failure.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Please run some tests and get back to us we are interested to see what it is.

Cheers, Ken
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Jul 8, 2017 at 8:13 PM