Question about Jensen JPA285 Car Audio Amplifier
I just got this new van an it came with a
Jensen JPA285 425 Watts 2-Channel Amplifier but the wires are all messed up like all tweeker set it up with a bunch of house speaker wires i need to no what wires go where i no the power to the battery an the grounded wire but thats it i need to no how to be able to conect it to the radio now how do i so that >? should i use the house speaker wires or should i just buy all new wires ???
Yes, watch out for bad wiring! My father's 73 chevy caprice caught fire because of an amp that was wired in poorly. If you have a multimeter it shouldn't be too hard to find each speaker wire, as the speaker will show up with a certain impedance, Like 4 ohms of 8 ohms. Wiring it in phase is the real trick. For that you can only hope there is some sort of color code that the car came with, and there is a pretty good chance there is. I am assuming you are looking at the chopped radio wiring harness. There might be something like brown with a white stripe, and white with a brown stripe. It could also just be brown, and brown with a white stripe. You get the idea. They should all be wired in the same pattern, If they did not do this, then the some car manufactures just have better standards. I believe you can take a AAA battery and hit the two wires you know to be one speaker, and you should hear a pop from that speaker. I would be careful doing that if the speakers are really old, but it should be safe even then.
Its amazing what a 15 dollar multimeter can do in everyday electronics. My friend and I built an electric motorcycle, and obviously its very crucial for that, but I have used it for tons of things besides that. Especially old car wiring.
Posted on Nov 21, 2008
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Posted on Jan 02, 2017
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