broke my remote start module pic inside

Hi!

I have installed a remote start (Autostart CT-5060) and I messed something up.

I think there were too much power being draw through the ground out wire. (That wire that grounds when the remote start is running. 

So a little smokw came from the case, and I stopped the engine as soon as I saw this. But now that wire is always grounded no matter if there's power in the unit or not.

I grabed my tester and tryed to look where the ground was traveling though. I took a picture and circled where I saw continuity between the wire #10 (ground out when running) and the point indicted in red.

I think it should be a little device that acts like a relay, and just hope it's fixeable.

Here's the picture.

Thanks a lot guys !

Since I can't find a way to edit :

Here's the Full sized picture :

http://fresh.4.life.free.fr/rs.JPG

I had previously replaced the unit that had broke that exact same way as this one. But now I've found my problem.

So, what can, maybe beside that chip, can make that wire work (seems like it works like a relay) that can blow? I know how to solder and I study in electricity. Shouldn't be a problem to replace, but I need to find what's wrong.

Thanks.

The problem is most likely either a bad transistor or a bad output from the processor.

Is there a way to test a transistor ? The unit turns on the ground wire 1 second before the start and 1 second after shut down. I just hope it's not the prossessor.

frozen : That wire is connected to the negative side of the coil of a said relay, to use like : A clutch interlock bypass, or anything you'd need to power up with the remote start.

Your best bet would to find the transistor on the board and then get a part number off of it.  You can then find out if it is an NPN (most likely) or a PNP.  If it is an NPN there shouldn't be any voltage on the base when you do NOT want an output.

If the output is 'on' there should be ~5-12DC on the base of the transistor.  I would hope that the transistor was damaged, as the uC output should be current limited to < 25mA.