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Old April 18th, 2014, 06:35   #1
LynnPlaggs
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Default Help with instrument cluster

Had someone back into front of car (no damage) and now instruments (tach,speedo, fuel and water temp gauge)don't work.
All warning lights still functioning along with odometer.
Vag Com lists Open + - checked fuses and they are OK- Any idea where to look next
Thanks
LP
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Old April 18th, 2014, 06:37   #2
South Coast Guy
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Sounds like there was damage; you may not have found it yet.
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Old April 18th, 2014, 06:57   #3
ta79pr
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Perhaps the outside temp sensor, assuming you have one, got crushed and the wires shorted and those other sensors share the same reference signal.
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Old March 1st, 2018, 13:21   #4
Robert6401
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Quote:
Originally Posted by LynnPlaggs View Post
Had someone back into front of car (no damage) and now instruments (tach,speedo, fuel and water temp gauge)don't work.
All warning lights still functioning along with odometer.
Vag Com lists Open + - checked fuses and they are OK- Any idea where to look next
Thanks
LP
Did you ever find out what the issue was?
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Old March 3rd, 2018, 16:28   #5
AndyBees
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Quote:
Originally Posted by LynnPlaggs View Post
Had someone back into front of car (no damage) and now instruments (tach,speedo, fuel and water temp gauge)don't work.
All warning lights still functioning along with odometer.
Vag Com lists Open + - checked fuses and they are OK- Any idea where to look next
Thanks
LP
Which one of your vehicles are you talking about?


Quote:
Originally Posted by ta79pr View Post
Perhaps the outside temp sensor, assuming you have one, got crushed and the wires shorted and those other sensors share the same reference signal.
You are probably right.

The 2002 Jetta/Golf have a common splice (number 269 in the schematics) that numerous sensors ground through then on to the Cluster. Installing the 02 ALH engine and Cluster in my Vanagon, was when I made the discovery and use of splice 269.

So, OP, you probably need to look further as there appears to be little doubt that damage occurred.
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Old March 3rd, 2018, 17:45   #6
jettawreck
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Thread was started almost 4 years ago, but good schematic work Andy.
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Old March 3rd, 2018, 20:26   #7
AndyBees
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Quote:
Originally Posted by jettawreck View Post
Thread was started almost 4 years ago, but good schematic work Andy.
Dang! .........LOL

Well, maybe Robert will benefit!
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Old March 5th, 2018, 02:46   #8
JB05
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Where exactly is this 269 splice? I've read about it before trying to diagnose my erratic fuel gauge. I know it's not the sender in the tank since that has been changed once already along with the in-tank pump.
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Old March 5th, 2018, 05:48   #9
AndyBees
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Splice 269 is buried in the instrument panel wiring harness.

Based on my experience, I seriously doubt that the connection (269) is the problem. My point is that numerous sensors ground through that splice with one wire going to the Cluster at T32/7. The schematics seem to indicate that the wires all come together at one point. I cannot say that is the case for certainty.

-Windshield washer level
-Brake Fluid level
-Fuel tank level
-Coolant tank level
-Malfunction Indicator (for those equipped)
-maybe others..
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Old March 5th, 2018, 09:41   #10
JB05
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Thanks, Andy. I forgot to mention that I added a separate ground at the tank itself for the sender, but that did not work. Problem must be in the cluster. I've learned to live with it since the gauge has always acted up since I bought the car brand new in '04.
I changed the stepper motor in the cluster with a used one I picked up on e-bay, but that did not help.
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Old June 15th, 2018, 06:00   #11
pugman
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This past week the clock stopped working with the Odometer/trip Odometer. Everything else still works. Could this be a ground as well and where would I find it? Car has over 362K miles on it.
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