Originally Posted by mike100 (Post 135848)

I keep a couple of paper clips and safety pins in the tool box because, if careful, you can slip them under the rubber GM weatherpack wire seal and touch the metal terminal. then use a clip lead to attach the pin to the meter leads...hands free at that point.

Originally Posted by Dynomite (Post 135852)

I am assuming this TPS adjustment applies to a 90', 91', and ???
:cheers:

Originally Posted by bdw18_123 (Post 135851)

Good call on the no-pierce methods, guys!

I didn't even think of that when I did mine and I usually do think of things like that.

Originally Posted by Route 66 (Post 135860)

Thanks again. are you sure about the .54 volts DC ?

Originally Posted by mike100 (Post 135880)

pretty much for most of the 90's GM stuff. when I had my vacuum leaks, the first thing I checked was the TPS setup and it was factory set at .54 or .55 volts. I would set it to that level- should be right after that.