In need of ecm
So.. It looks like I'll be spending more than I wanted to.
Any of you know where I can pick up a 93 puter reasonably cheap? Preferably, with a stock prom?
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Personally the 94/95 is a nice setup especially of you need to fix yours. Mod is obviously factory and do't forget you sell what you don't use so price is not bad when it is all said and done.
BUT remember 97 ecm is different so you will ned 94/5 ecm
Would it be as simple as getting a wireing harness from a 94/95(maybe a MAF too) and reinstalling?
I can't believe you can't find an ECM anywhere in the states. Did you try car-part.com?
As far as converting, I think 94 would bet he simplest to convert to w/o having to change a WHOLE bunch of other things. And as mentioned, yes a PCM can run in Speed Density mode, but aren't setup as well. After a tune, to make them intentionally run in SD mode, they work much better. The original SD mode is more of a fall-back if the MAF fails.
But... For the price of most of the ecm's on that site, I could go with a new item from Gmpartsdirect. $170+ core gets me a new ecm apparently. I just wanted to go the cheap route, and maybe faster than the estimated 2 weeks to get one.
So I dont know which way to go.. I dont mind spending the cash.. I just want my toy back on the road.. hah.. got to get some more milage on it... only been 8k this last year... hah.
A friend just asked me how much you want for the harness. The good news is he will convert a 93 TA with a burnt harness to 94/95 flash.
Then I can program the 93 TA computer to whatever program you want in it. I have a programmer for the 92/93 setup, so could be a double swap that works out.
The computers are often called ECM/PCM interchangeably. The important difference is the early speed density have a chip, the later has a Flash ROM. The flash rom can be reprogrammed in place the earlier have to have the rom removed to be reprogrammed, and the earlier do not control transmission.
Incoming PM though Battle.





