terryt Posted September 12 Share Posted September 12 i am installing an aftermarket radio in my 90 MJ can someone please help me with the wiring diagram please Link to comment Share on other sites More sharing options...
Gojira94 Posted September 12 Share Posted September 12 Your aftermarket stereo will (should) come with a connector for itself, with bare ends for whatever you're putting it in. I used a Metra adapter from Crutchfield for the factory harness side. I don't have a 1990 Electrical manual, but I believe it's the same as 1988. https://www.crutchfield.com/p_120701002/Metra-70-1002-Receiver-Wiring-Harness.html?tp=2977 Link to comment Share on other sites More sharing options...
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