So my 93 starts, but I have NO A/C, tach or charge system. I figure crank sensor, so I put a new one in....still nothing. I hooked up the snap-on scanner at doesnt even communicate with the computer. What are the chances I got a bad new crank sensor, can I check a sensor and possible the computer died?

 

If it won't communicate with the scanner that is not a good sign. Probably a bad Pcm.

 

How is the PCM powered? Is it fused or fusible link? BTW, I also have no wait to start light..

 

I belive there is a procedure in the sticky to test your pcm.

 

Looks like the PCM died. I did the tests in the sticky and it checks good. Any input on wheres a good place to get one? New vs rebuilt?

 

Rock auto odd probably the cheapest option for a reman.

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Be sure and add in the shipping charges from Rock Auto. Many items get up to normal parts store retail w/their shipping and handling charges.