Therx7ist

I recently developed a bucking problem that was accompanied by my super AFR dropping out to 0 as well as my tach dropping out. I was able to trace the problem to the wire harness running up to the BAC valve. I have a short somewhere under the upper intake manifold which is wreaking havoc on my car. The problem is that I think theres another short in addition to the one running to the BAC. I pulled the negative battery terminal and ran a test light between the negative poll on the battery and the ground wire and it lit. I pulled all of the fuses in the kick panel one at a time as well as all of the main fuses. I am still not able to make the short go away. The only fuse I didnt pull was the main relay. What else should I check? If it's not one of the systems on a fuse, Then what could it be?

Icemark

a test light is a very poor way to test for a current draw test. All it really says, is that you have a battery. It doesn't tell you how much draw there is.

Get a digital multi-meter and do the same test. The FC typically has around a 60mA draw. If it is above 70 mA or 80 mA or more then you have a real draw that you need to check for.

Therx7ist

I will try the DMM but I am sure there is a short somewhere.

Scott 89t2

you want to unplug the ecu and then check for contanouwity (sp LOL). if you have it to ground from wires that are not grounds. then it's shorted.