Inside lights and all exterior rear lights not working

2002 FORD WINDSTAR
181,105 MILES • 0.6L • V6 • 2WD • AUTOMATIC
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HEYGDVGV
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First brake lights don't work at all. I have one rigged up to a power source and the brake light switch... Tried so many things to try to get those brake lights working... 3 days ago all my rear lights stopped working... Came back on.. Went off and on..... So they work sometimes... Could it be The REM... My van has a rebuilt transmission because the original busted as I was reversing and then was locked up.... So I have 180,101 miles and my baby runs great.... Old and tired for sure but I really wanna know why all rear lights and dome lights go in and out.... Thank you for reading!! ❤
Sep 16, 2019 at 12:26 AM
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BMDOUBLE
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It absolutely can be the REM module! Back in the day I've done lots of the recall ford had for resealing the passenger side rear corner for water intrusion with a butyl patch. The connector would also get corroded in that corner so inspect this area really good. At best you may just have to clean the connector really good.
Sep 16, 2019 at 6:33 AM
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HEYGDVGV
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When I called a Ford dealership they said there was noe REM on a Windstar. But I've read on so many blogs that there is..
Oct 3, 2019 at 6:31 PM
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BMDOUBLE
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Well they are incorrect! I'm a senior master certified Ford technician and have been a dealer tech since 1992 and am the Houston region tech rep for the Ford technician review panel so I go to Dearborn twice a year, so I say with great confidence that Windstars do have REM modules. Sorry if I threw up on you, but I've worked super hard to get where I am and I'm a tad bit proud of myself, lol.
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Oct 3, 2019 at 9:05 PM
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HEYGDVGV
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I forgot to mention about 2 weeks ago my brother in law cut and reconnected all the rear light wires in like 45 minutes.. They worked for 2 weeks straight. Then boom they went out again.
Oct 4, 2019 at 5:35 AM
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BMDOUBLE
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Can you upload a picture of the wiring he did?
Oct 4, 2019 at 8:17 AM