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Username Post: '78 G20 van oil pressure switch        (Topic#349007)
Posts: 575
Reg: 01-01-08
01-04-18 10:00 AM - Post#2719982    

I have a '78 Chevy van with a 350 and dash gauges. The gauge is there but the sending unit or switch (what is the correct term?) on the engine was replaced by an aftermarket gauge. Anybody know the correct part #? I hope to make a "T" and have them both.


Senior Chevytalk Moderator
Posts: 24531
Loc: Austin, TX 78748
Reg: 05-09-00
01-07-18 05:57 AM - Post#2720309    
    In response to OL55

Is the aftermarket gauge using a stock sending sensor? Some do, other don't. If the signal is electrical, it may not be enough power two gauges. It's basically a ground.

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles

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