I am looking for a replacement wiring harness for the mtv-auto head unit. I cannot find one anywhere and nobody seems to know where i can locate the manufacturer to purchase one. Thisis the female 20 pin harness that connects to the brain of the unit for speaker connections and power. Any idea where i can find one?
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When you switched the constant power and ignition signal wires, did it shut off while driving? I see you said it was wired correctly but It sound like a poor connection on one of those wires. Will the head unit turn back on again after shutting off while you’re driving?
Check back at the wire harness adapter and look at the connector pins. Make sure they’re all seated correctly and do the same at the head unit. If the factory radio never had this problem then it’s most likely what was recently added, harness adapter or connector pins/ crimped connection from pin to wire.
The best advise I can give and the worst mistake you can make while trying to install a new head unit into a car is DO NOT CUT THE STOCK HARNESS.
New head units come with bare harness with just wire ends, so you may think you need to cut off the harness on the car to wire it in.
This is the worst thing you can do. As a matter of fact, it is a bad Idea to cut any harness for anything in your car as they make wiring harness adapters to fit every thing in your car.
Before you install your head unit, go to Best Buy, or any car audio place, or on the internet and get a harness to suit the install. For instance if you have a pioneer head unit, and a 2007 Honda, you want a pioneer to 07 Honda wiring harness. This will allow your head unit to connect right into the stock wiring harness.
If you can work back on the wires to see if you are getting power anywhere along the harness. It could just be the clip. In which case you can most likely get a replacement for cheap at the dealership.
if the factory plugs are still in place your best bet is to get a wire harness at your local auto zone or pep boys, the harness has what each wire is for printed on the wire itself and there is no need to cut the plugs off of the car harness.
If you don't have the quick connect wiring harness that you can get pretty much anywhere that the units are sold, get one. Then you have to make sure that your wiring is correct, speaker wires are always labeled by color and then name in a manual.
Sounds like you are describing the engine compartment wiring harness. Just curious, why are you wanting to replace the harness? The best place to find a replacement would be from the dealer or a more economical solution would be to get it from an auto salvage yard.
You could try a Salvage yard if you know what it looks like. Then I would think the Dealer may have a harness and experience with Ford radios. Radio Shack maybe, then last would be a Stereo shop but you need to know if they are a good installer. You would not want electrical problems after they work on it.