94 g.cherokee laredo PCM repair
10-21-2014, 02:51 PM
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Model: Cherokee
94 g.cherokee laredo PCM repair
New Guy. Need help on PCM repair. Have it removed from case but unlike later units this ps board is totally enclosed in gel. I want to repair solder the connectors to the board but want to do as little damage as possible to the gel assuming that is possible. Any input will be appreciated. :-)
10-21-2014, 06:40 PM
#2
Old fart with a wrench
Welcome to CF!
You are going to have to find an electronics guru for this unless you can find a place to get the gel. The gel is there as a shock absorber and heat sink. Because it's not there in later models, it might not even be necessary.
I once took apart a computer from an early '80's GM car. It had 2 circuit boards face-to-face with all the components in between. The only way to get at it was to unsolder all the connections on the edge strips. I gave it up as a lost cause. That one also had a "prom" factory programed for that particular model and options.
You are going to have to find an electronics guru for this unless you can find a place to get the gel. The gel is there as a shock absorber and heat sink. Because it's not there in later models, it might not even be necessary.
I once took apart a computer from an early '80's GM car. It had 2 circuit boards face-to-face with all the components in between. The only way to get at it was to unsolder all the connections on the edge strips. I gave it up as a lost cause. That one also had a "prom" factory programed for that particular model and options.
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