After market HU help !!!!

[15nissen 10+ year member]

A buddy of mine has a 87 300zx. He has a after market that he installed but has no output. He purchased a wiring kit etc... The car has a factory amp for the speakers. I know that one wire from the harness needs to be connected to bi- pass the factory amp. What color wire needs to go where, for sound.

If that sounds like a mess, thats cause were drunk.

Thankls

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[IDSkoT 5,000+ posts]

You have to find the amp remote wire and connect it to the ignition wire.

 

[15nissen 10+ year member]

You have to find the amp remote wire and connect it to the ignition wire.

We tried it this afternoon with no success.

 

[15nissen 10+ year member]

Ttt

 

[15nissen 10+ year member]

still not sure what to do?

anyone?