Install help

[bandit_kb]

Helping a friend do an install on a 95 chevy single cab. He got the h/u installed at best buy. It's a Pyle pldn74bti. We are installing an amp (alpine mrv500) and we are getting no sound to the sub. I put the volt meter on everything. The amp is getting power and the remote was getting power and its grounded. I measured the speaker output terminals and they read between 2 and 6 volts. Its a dual 2 sub. Not sure how its wired but he had it spliced into his factory speaker before and it worked.

The only thing that I was unsure of was connecting the rca's to the h/u adapter. I swear I only saw one sw plug on the h/u adapter. So I tried all the possibilities with the speaker plugs. The amp light will only come on when an rca is pulled into the single sw plug. No matter what, no bass.

Hope that made sense.

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