I have an 84 gn with an 87 2004r in it. While changing the pan gasket I noticed a pressure switch or solenoid on passenger side middle to rear of trans. It has a green wire going to it and it looks like a temperature switch from a third gen (kindof). I screwed it out and took it to every place here in town. Nobody can help me. The little brass conn where wire snaps to is broken. The people who seem to have them online dont have pics. It said 240 or 280-340 kpa on it. I should have wrote it down but didnt. What is it exactly and where can I purchase a new one?
pressure switch/ solenoid?????
- Thread starter blestx4
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silentbutdeadly
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- Apr 2, 2005
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Give quickt a shout. Maybe Lonnie can help you out.
bruce at PTS has them. i just got 2 of the new ones from him. there pressure switches.
TurboJoe3.8
Senior Member
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The pressure switch's are still available from GM, part # 8683502, cost is about $7- there is two of them and they are both the same- I'd replace both- HTH's, 
The pressure switch's are still available from GM, part # 8683502, cost is about $7- there is two of them and they are both the same- I'd replace both- HTH's,
there is a new version out per bruce. there like 14 bucks each or somthing. as what they do when they go out im not sure. bruce said these ones will never fail but gm really likes them so thats why there 14 bucks a piece. worth it in my opinion.
TurboJoe3.8
Senior Member
- Joined
- Feb 19, 2003
- Messages
- 831
The pressure switch's are still available from GM, part # 8683502, cost is about $7- there is two of them and they are both the same- I'd replace both- HTH's,
^^^^This is the newest version- retail they are around $12-$14- discount price is around $7
