2003 Jeep Grand Cherokee - Infinity Integration

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apexautomotive

Member - Posts: 12

Joined: January 29, 2016

Location: Utah, United States

Posted: August 29, 2018 at 8:11 PM / IP Logged

Hey guys, have a question regarding an 03 Grand Cherokee with the Infinity system. We have one coming in and I'm not sure what harness we need.

I'm looking at the 70-6502

http://www.metraonline.com/part/70-6502

and the 70-6503 (amp integration harness)

http://www.metraonline.com/part/70-6503

Do some of the Infinity amps require a low level input? Why else would there be RCAs on the 6503 harness?

I've done a few older Grand Cherokees and I know the Infinity amp was high level in because I just used a regular harness and hooked up the amp turn on and it worked great.

Sorry for the newb question, we are a tint shop that does audio every once in a while.

Thanks!

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 29, 2018 at 8:58 PM / IP Logged

Use the 6502. The 6503 will not have enough volume.

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