Temp gauge issues

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May 19, 2019 | 10:59 AM

i8myz28

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From: conway new hampshire

Car: 86 z28

Engine: 355 TPI W/305 HEADS

Transmission: 700r4

Axle/Gears: 3/73's

Temp gauge issues

Hey everybody I have an 86 z28 with a temp gauge issue. I’ve searched here and haven’t really found my problem. I’ve replaced the temp sender two time with yet the same problem. Turn key on temp gauge moves up right below 100, staring the car temp gauge needs shakes, car running temp gauge pins back almost straight down.. help please and thank you.

May 27, 2019 | 12:38 PM

i8myz28

Thread Starter

Member

iTrader: (1)

Joined: Mar 2004

Posts: 158

Likes: 0

From: conway new hampshire

Car: 86 z28

Engine: 355 TPI W/305 HEADS

Transmission: 700r4

Axle/Gears: 3/73's

Re: Temp gauge issues

So I have unplugged the sensor and the needles does the same thing

Quote:

Originally Posted by i8myz28

May 28, 2019 | 04:44 PM

NINÅ

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Joined: Jan 2006

Posts: 3,341

Likes: 10

From: Mooresville NC

Car: LOWERED ♦ CRIMSON METALFLAKE

Engine: ► 400 KUBES ◄

Transmission: 765R4

Axle/Gears: EATON POSI 4.56

Temper Tantrum

Here’s how to test the temperature gage.

Disconnect the green wire from the temp sensor.

Clip in a 100 ohm resistor from that wire to the negative battery terminal.

Turn the key to RUN.

If the gage is good it will read about 220°.

Quote:

Originally Posted by POSTER

staring the car temp gauge needs shakes

Normally when starting, the gage should peg at max however that might not be related to problem.

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