Fixed Tach but now oil gauge is dead
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Junior Member
Joined: Feb 2022
Posts: 10
Likes: 9
From: Arizona
Car: 1985 Camara IROC-Z
Engine: 305 TPI
Transmission: 4 speed automatic
Fixed Tach but now oil gauge is dead
On my 85 IROC the tachometer was pegging at normal speed. I replaced the control board and the tachometer and now I have good RPM readings, BUT now my oil pressure gauge is dead, no movement at all. The oil gauge pin on the new tach control board shows GND and it snaps into the cluster control board. How does the oil gauge get it's reading?
Joined: Dec 2004
Posts: 16,925
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Fixed Tach but now oil gauge is dead
Oil pressure gauge gets signal from
a canister sender rear of engine by distributor.
a canister sender rear of engine by distributor.
Thread Starter
Junior Member
Joined: Feb 2022
Posts: 10
Likes: 9
From: Arizona
Car: 1985 Camara IROC-Z
Engine: 305 TPI
Transmission: 4 speed automatic
Re: Fixed Tach but now oil gauge is dead
Thanks, I'll take a look. It's strange that it went out after I plugged in that new control board... possible bad board. I'm gonna try and put the old one back in to see what I get.
Supreme Member
Joined: Feb 2021
Posts: 1,215
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From: WA
Car: 1989 IROC-Z
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: BW 9 Bolt / 2.77 Posi
Re: Fixed Tach but now oil gauge is dead
I'd try a quick uninstall, contact cleanup, and wiggle jiggle reinstall before swapping parts.
Thread Starter
Junior Member
Joined: Feb 2022
Posts: 10
Likes: 9
From: Arizona
Car: 1985 Camara IROC-Z
Engine: 305 TPI
Transmission: 4 speed automatic
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