Thread: help, my head unit doesnt work anymore

Originally Posted by [H]Bugster

I have a 2002 Ford Ranger XLT with a stock head unit. While installing my computer and running power lines....i was tapping into the head unit's ignition wire (switch power) for my ITPS (psu is pw70a). Then i tested the computer, but it ddint power on. After poking around with a multimeter, i realized that the iginition wire wasnt providing 12V.

I put the headunit in to see if it is getting power...and it does not work now. The only thing that it does when i plug it in is eject the cd, show the time and then it turns off completely. What did i do that the plug???!?!?!?! How do i fix it??!?! Im so frustated, been working all day to get the wiring in, and now this happens!

check your fuse maybe?

Originally Posted by Jackso

if it was a stock head unit, it is possible that there was some form of theftlock (GM uses Delco TheftLoc). Once the power it removed from the headunit with it locked, the headunit will no longer work. If that is the case, you're fukt. There is no fixing it supposidly.

isnt there normally a way around it, like a code you can put in, what u supposed to do if your battery goes flat???

but if thats the case....there would still be power going through the switched power wire right? Theres no power going through that wire at all