Hey, we installed a small system into my friends Jeep and are having problems with it. For some reason or another the sub will work sometimes he turns that Jeep on, and sometimes not. We have tried 4 different amps we we know work... same problem with all of them.

All connections look good and were double (and tripple) checked. We re-secured/crimped the ground and power.

RCA's are brand new, cant be them though because I used a headphone that splitts into two rcas from my mp3 player, still didnt work.

The amp is turning on and getting power. Its just like sometimes it decided to power the sub and reproduce music.


Any help would be appreciated.

Thanks

 

Did you check the remote wire?

Check the fusing for a bad fuse? Sometimes they look like their good but they're actually pooched.

Anything shorting out sending the amp(s) into protection mode?

 

What type of Jeep is it? Is it a Grand cheroke with infinity sound? Are u useing the factory head unit? I added a amp to a factory Infinty system in one of these once and found out that some time the input for the amp was too high and worked Maybe 1 out of 4 times.

 

It is a TJ Jeep. Not stock deck.

No shorts that we can see

 

Hook up another sub box to it for a while and let it play. Even brand new subs have defects. What brand and model of amp are you using?