91 Explorer Head Unit Install

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compwc18

Member - Posts: 18

Joined: March 29, 2005

Posted: June 06, 2005 at 9:30 PM / IP Logged

I have a quick question for everyone.

I just recently purchased this CD Player my wife wanted, it was a new Jensen Head Unit. The explorer already had a panasonic in the car, and it was wired in with the aftermarket harness, so you can just color match every wire. My wife had cut the wires, so we could color match them. I color matched them, just as they were before.

The Head Unit powers on, but nothing comes out of the speakers, no sound at all... Everything else works, and there is power to the speakers, but nothing comes out. I know this for a fact because I even hooked up a test light to check them. Somebody please help me out. ALl fuses are still in good condition. What could be the problem? HELP ASAP. Thanks

kaezoo

Copper - Posts: 125

Joined: April 26, 2005

Location: United States

Posted: June 06, 2005 at 9:48 PM / IP Logged

Just about every '90-'94 Explorer includes a factory amplifier. When the first head unit was installed, the amplifier may have been bypassed or it may have been integrated. If it was integrated, it's necessary to turn the amp on to get any sound.

The Panasonic head unit may have had both a blue power antenna wire and a blue/white amp turn-on wire. The Jensen probably only has the blue wire which doubles for both functions. If so, you need to make sure the blue wire from the Jensen is hooked up to the vehicle wire which was connected to the Panasonic's blue/white wire.

compwc18

Member - Posts: 18

Joined: March 29, 2005

Posted: June 06, 2005 at 10:20 PM / IP Logged

Which wire was the vehicle wire? What color is it? I dont know much bout Explorer's for stereo isntalls. Your help would be apprecieated. Thanks

hawn13

Copper - Posts: 171

Joined: April 13, 2005

Location: Hawaii, United States

Posted: June 06, 2005 at 11:22 PM / IP Logged

it would be blue on the vehicle side might say pwr ant.

compwc18

Member - Posts: 18

Joined: March 29, 2005

Posted: June 07, 2005 at 12:25 AM / IP Logged

I have one more quick question. How do I hook up the remote wire to the deck so I can run my amp. I know I have the factory amp, and my head unit is working perfect. Where do I wire in the remote wire. Please help me out ASAP. Thanks

dwarren

Platinum - Nominee - Posts: 1,811

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Joined: December 03, 2004

Location: California, United States

Posted: June 07, 2005 at 12:32 AM / IP Logged

Locate the remote turn on wire on the deck and run a dedicated wire from the deck back to your amp.

compwc18

Member - Posts: 18

Joined: March 29, 2005

Posted: June 07, 2005 at 5:20 AM / IP Logged

Ive done that, but the only problem now is that, when I turn the key over, the amp will turn on for about 2 seconds then turn right off. Every connection I have is good. Ground, Power (fuse is perfect) RCAs, and remote. What could be the issue? PLEASE HELP!

dwarren

Platinum - Nominee - Posts: 1,811

Joined: December 03, 2004

Location: California, United States

Posted: June 07, 2005 at 9:17 AM / IP Logged

How did you check the ground? That sounds like the problem now.

compwc18

Member - Posts: 18

Joined: March 29, 2005

Posted: June 07, 2005 at 10:44 AM / IP Logged

the ground on the amp is under the carpet where the seat bolt goes, I sanded it down to bare metal then soldered a connector to it, and slid it on. The connection is really secure I dont know why it wouldnt work. Please help!!!

dwarren

Platinum - Nominee - Posts: 1,811

Joined: December 03, 2004

Location: California, United States

Posted: June 07, 2005 at 11:37 AM / IP Logged

Either you check it with a meter, or try regrounding it elsewhere temporarily.

A meter is very useful in this situation. You will be able to verify all of your leads without any doubt.

1. unplug your rca's and speaker wire, see if the amp stays on, then reconnect each lead individually to see if either of them cause the amp to shut off..

2. try the ground else where

3. get a meter

4.take it to a pro.

Unfortunately the seat bolts and or the seat belt bolts don't always work that great. you may need a direct ground to the frame.

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