WTF - I can't figure this out!

[linvillegorge 10+ year member]

Ok, here's the situation. When I'm listening to the radio, everything is fine, both external amps power up and the system works perfect. As soon as I switch to a CD, the HU doesn't recognize the external amps and sends power to the factory amp. I know this because the rear speakers are still attached to the factory amp and they're the only speakers that play when a CD is in. The external amps won't even power on with a CD in. What do I need to do?

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OK, I have a Kenwood X789 headunit and two amps, both Hifonics. I wired everything up last night and everything is working great. This morning I go out, crank the Tahoe, everything is working great. Two minutes down the road the amps go into protection. I power the headunit off, then back on, neither amp will power up. I get home and run the remote wire straight to the battery and both amps power up. So, I figure the HU isn't putting out enough power to run both (their daisy chained). I unhook the second amp so that the HU is only powering one - it won't power up. There seems to be a problem with the HU's remote lead. But, why would it work perfectly for a few minutes, then nothing? If worst comes to worst, I guess I could wire the amps straight to the battery and use a dash mounted switch, but I really want to just run them off the HU. What the *&%$ can I do?!

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[Chevyaudio 5,000+ posts]

Get a DMM and check the voltage on the remote lead and then come back and tell us what you get.

 

[stones 10+ year member]

The Kenwood X789 has two remote on leads I'm pretty sure, one has power when the radio is on to operate a power antenna and the other is on at all times while the head unit is on to operate amplifiers.

It sounds like you got these two mixed up.

 

[MisterGrubbs 5,000+ posts]

Stones = right, i did it myself.

When you hooked up your remote, you attached it to a blue and white wire, I believe it is. I did this in a Jeep of my buddys a few months back, if that doesnt fix it ... let us know

 

[Doingstuffwell 10+ year member]

amps go into protect? try your grounds.

 

[Slody4Futbol 10+ year member]

you have your remote wire connected to your power antenna wire as stated above... switch your remote to the blue/white wire...

 

[Alpineinstaller 10+ year member]

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amps go into protect? try your grounds.

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