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Gauge cluster wiring schematic???

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Old 10-31-2011, 05:46 PM
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Default Gauge cluster wiring schematic???

Anybody have one or a link to one? 2003-2007 classic silverado. Thanks
Old 10-31-2011, 06:50 PM
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PM me if you need something better...btw those are for my 06 crew cab

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Old 10-31-2011, 06:57 PM
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WOW! That's probably really great info for someone who knows how to read those things lol. I'm just looking for what each wire does...Mainly looking for:

bright lite indicator
turn signals (left and right)
speedometer
service engine light
Old 10-31-2011, 07:17 PM
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and fuel level
Old 10-31-2011, 08:04 PM
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High beam indicator, and fuel level signal come off of the serial data bus. These are not hard wired functions.
VSS dk gn/wht term A4 at IPC
MIL bn/wht

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Old 10-31-2011, 08:08 PM
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Has to be some way to get a reading for the fuel level right? Maybe off the wiring harness on the tank?
Old 10-31-2011, 08:24 PM
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So you would want the pinout of the I/P connector?
Old 10-31-2011, 08:25 PM
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Perhaps? I'm not real good with my wording. You all should just know what I mean lol

I would like to know what wires do what on the plug that plugs into the back of of the cluster
Old 10-31-2011, 08:28 PM
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The fuel level signal is processed by the pcm it sends 5 volts to the sender and gets a level reading in return. This is information is processed by the pcm then sent to the instrument cluster via serial data over the data bus there is not a hard wired fuel gauge input. What kind of vehicle is this in are you converting something or is it all in a stock application.
Old 10-31-2011, 08:31 PM
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It's on my truck. 2007 classic chevy silverado. Installing aftermarket fuel level gauge.

How bout this? Couldn't I get the signal from the wire directly off wiring on the tank?


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