1993 Ultra - in-dash stereo wiring

jeremyseattle

Member
Joined
Sep 13, 2020
Messages
24
Location
Seattle/Glacier
My 93 Ultra - based on a Ford E-350 - didn't come with a stereo in the dash. I ordered a new stereo as well as a Scoche wiring harness, but the harness doesn't match up with the wiring in the dash. I have 2 female 4-pin bullet connectors, one male 4-pin connector, and some weird gray adapter that Y's off the climate control harness. Does anybody have any experience with this? I don't know if GS had a custom harness, or if this is the Ford cutaway wiring or what...

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Thanks, but I did a lot of testing and found what I needed. Found 12v ignition, 12v constant, ground, dash light dimmer, and L/R speakers. Most of them were not pinned-out in the connectors, but I have no idea what the rest are.
 

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