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Need schematic wiring for fuel gauge.

Ip fuel gauge not working

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The instrument cluster speedometer, tachometer, fuel gauge, amp gauge, temperature gauge, are not working while engine is running. 2007 Peterbilt 379. What is the problem? What do we need to look for?

look for a common connection like a bus bar and fuse for the dash
check for a broken ground wire from the cabin
get a service center auto electrician with knowledge wiring schematics for peterbuilt as time off the road is money

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How do you fix an instrument cluster doesnt work

You'll need wiring schematics, plug pin outs.. Sounds like you have lost the data wires. You need to check the continuity between the IP and PCM. Just a note. Wires tend to break at the plug.

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Fuel gauge wiring diagram

Visit the on-line store, know as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
Best Manuals

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If your car uses the CAN-bus system it is possible the system must be told it has a new fuel pump and gauge unit fitted before it will work.

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Fuel gauge wiring schematic

sorry but it looks like you will be in that tank again. pull the pump out and plug it into the car wiring outside the tank and move the float up and wait 60 seconds. if it doesn't move the gauge, replace the sender (with a new one or maybe with the old one, if you still have it) and test it before you install it

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1 Answer

I have a 98 chevy s10 blazer 2wd 4 door nad my fuel gauge dont work its stuck on empty i changed the fuel pump several time thinkn it would fix the problem but i didnt. i need a picture or sumthing to show...

You could try changeing the fuel pump relay The fuel gauge signal come from the pump and goes through the relay to the gauge and on your vehicle the pump will still work even if the relay is bad it has a back up power system through the oil pressure sending unit . The relay is located inside of the glove box behind a panal its the one on the far left. I also have wiring schematic of the system but would need to fax it . If you want it get back to me with a fax #

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I need a wiring diagram for dash spedo,tack,gas,heat,ect... all is not working grand am 1997

A good place to get wiring schematics for your vehicle is at the Auto Zone web site. It is free to use, the only thing you have to do is register.
Good luck.

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