Here is a good question, could the central microprocessor be the reason for the limp mode in the transmission and also why the power door locks work when they want to? Everything else on the vehicle has been checked.

 

Fuse boxes are very often defective and can't be checked by using a meter across the fuse ends as they will show good from the front but can still be hooped. Most are that have had water ingress.

Did you take them out and reflow the joints yet?

Larry

 

We have voltage coming in and going out

 

They can be intermittent and also fail under load. Are you checking the continuity through the fuseboxes? i.e. front to back? Dry joints on the fusebox circuit boards is a VERY common failure point.

Larry

 

Yes that has all been checked, and we are getting power and grounds to the computer like it's supposed to be, we even move the wires around and still has good contact

 

This one is on the side burner right now trying to get the front end put back on my 94

 

Back to the transmission limp mode problem, the mechanic checked everything and everything checked out he said but what is the probability percentage that the throttle positioning sensor is still bad?

 

Hi Thumprr1226,

I recall that you found problems inside your TCM. Does your post quoted above mean that you tried a replacement salvaged TCM and still had Limp Home Mode? If so, did you open the salvaged TCM to see if it had any cold/starved/cracked solder joints or evidence of water ingress?

Have you cleaned the electrical connector for the Throttle Position Sensor (TPS) and the TPS itself?

Cheers,

Don