Speedo, Tach, Odo and speed read out on PFC not woking.
03-01-11, 09:41 AM
#1
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Speedo, Tach, Odo and speed read out on PFC not woking.
Been having this issue before I put the car away for winter. Today after my winter project, I took the car out and notice that none of the above were working at ALL. Before they used to work but if I floored the car then they would go out. If I cycle the key to off and on then they come back. This whole time I was thinking my cluster was done but today I notice that the PFC isn't reading speed either. Is this still a cluster issue or do I need to look into something else?
03-01-11, 10:00 AM
#2
Been having this issue before I put the car away for winter. Today after my winter project, I took the car out and notice that none of the above were working at ALL. Before they used to work but if I floored the car then they would go out. If I cycle the key to off and on then they come back. This whole time I was thinking my cluster was done but today I notice that the PFC isn't reading speed either. Is this still a cluster issue or do I need to look into something else?
03-02-11, 12:38 AM
#6
ah i need help with this too, same problem just started last friday, was driving and the speedo, tach and odo just stopped while driving but like the op my pfc still reads the rpm just no speed.
oh and the tach seems to work only if the car isnt moving and i put load on the power steering.
oh and the tach seems to work only if the car isnt moving and i put load on the power steering.
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03-02-11, 07:11 PM
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I only found one ground and it wasn't attached to anything. It is the flat strand one. I guess I have to look around and see if I find it. Can some one provided a picture of the ground?
03-03-11, 04:14 AM
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I guess I should have been more specific. The ground is attached to the engine and firewall but not to a wire harness is what I ment so I don't think that one is my issue.
03-03-11, 09:54 PM
#12
The gauge cluster measures the vehicle speed signal directly from the 2-wire magnetic sensor on the transmission, and then creates a digital signal to the stock ECU. If the gauge cluster had a problem with power or ground, it would not send the vehicle speed signal to the stock ECU.
Have you had the gauge cluster out lately? The connection between the cluster and the wiring harness isn't great: the plugs squeeze a flexible circuit board against the plastic cluster housing, it may be possible for the circuit board to move away from the plug.
Have you had the gauge cluster out lately? The connection between the cluster and the wiring harness isn't great: the plugs squeeze a flexible circuit board against the plastic cluster housing, it may be possible for the circuit board to move away from the plug.
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