Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

temp guage

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Old Nov 14, 2006 | 10:37 AM
  #1  
z28crazy's Avatar
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Joined: Jan 2001
Posts: 257
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From: North Salem Ny United States
Car: 86 Z-28
Engine: 356 4-bolt
Transmission: Borg warner T-5
temp guage

temp guage is unresponsive. all wires are connected. Some times it will flicker. sometimes it will peg itself. and if i tap on the guage it will work. odd i know. anyone have a chart that traces all the connections associated with that guage. jct wires and grounds, ect.

would it be difficult to run guages independant from the main wire harness (autometer guages) or does the ecm require information from the sending units?
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Old Nov 15, 2006 | 10:23 AM
  #2  
NINÅ's Avatar
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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

You have a loose ground.
Most likely it’s on the dash PCB.
If you prefer to install an independent
gage you can go from the sender
supplied, directly to your new gage.
In non-race cars I use digital gages
for better resolution.
.
Happy Racing !

— If people drove any slower
they’d be going backwards —

.

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