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  1. M

    99 Yukon Help w/ rear door speakers please

    I've found the amp and relay behind the dash. I removed the relay, tested and found it to be good. The power wire into the relay connector is orange (not pink like at the radio connector). I went through all wires associated w/ the factory radio and did not find continuity to the orange relay...
  2. M

    99 Yukon Help w/ rear door speakers please

    I went throught the wiring w/ the Crutchfield tech support. I had the power antenna correctly connected to the pink - amp power - wire. We even tried connecting other sources of 12V to the pink wire but no luck. Thanks for the pointer.
  3. M

    99 Yukon Help w/ rear door speakers please

    Thanks for the pointer. I'll look closer as soon as I can.
  4. M

    99 Yukon Help w/ rear door speakers please

    I cannot say for sure that they were ever working since I never sit back there. I bought the truck when it was 3 yrs old. I think that the wires to the right side speaker were blue & brown but cannot remember for sure. Definitely no amp in sight under any seat or where I can see in the...
  5. M

    99 Yukon Help w/ rear door speakers please

    I have looked under all seats, under the console compartment and inside the dash and haven't seen any amp. Judging from the build codes (see my original post) I don't think there is an amp in my truck. I am baffled that there are wired speakers in the rear doors that don't work -- even with...
  6. M

    99 Yukon Help w/ rear door speakers please

    I have the same problem as I've seen in this forum before. I installed a new stereo (wired correctly - power antenna to turn on factory auxillary amp) but no sound from the rear door speakers. Re-checked with factory radio - still no sound. Crutchfield tech support has been very helpful and...
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