GMC factory head unit

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Liberty03

Member - Posts: 6

Joined: January 28, 2004

Posted: March 14, 2005 at 5:53 PM / IP Logged

I'm working on a 2001 Sierra C3. It has the factory cassette head unit with the GM 6 disc indash, it is the same setup as the 01-02 Denali's. This truck has all replacement MB Quart speakers and a 10" sub/amp.

Recently, the rear drivers side speaker stopped working, I got it to work some, but at a very low level along with the other rear speaker. All the connections were checked and were ok. The truck has a new battery. Also, the amp isn't turning on, but has all good connections. The low level convertor is pulling off of the driver's rear speaker. However, the amp wont turn on at all and is tapped into the switched 12 v on the radio. I can't figure out what is going on. Could the factory head unit be bad? Any other ideas? Thanks!

boomer_106

Silver - Posts: 710

Joined: November 25, 2003

Location: United States

Posted: March 14, 2005 at 6:31 PM / IP Logged

I would run a small jumper from the battery to the remote turn on input at the amp to narrow the problem down.

geepherder

Platinum - Posts: 3,668

This member consistently provides reliable information

Joined: October 27, 2003

Posted: March 14, 2005 at 10:22 PM / IP Logged

"is tapped into the switched 12 v on the radio"

Someone correct me if I'm wrong, but the radio doesn't have a switched 12v.

My ex once told me I have a perfect face for radio.

auex

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Joined: December 23, 2002

Location: Arizona, United States

Posted: March 14, 2005 at 10:32 PM / IP Logged

Aftermarket amp or stock amp?

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GMC factory head unit

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