89 240 DL - no speedo. No fuel or temp guage, no idiot lights
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If the battery light is not functioning in your cluster then the alternator will not charge. This may be the cause of the low voltage reading.
You can easily check the fuse using an ohm meter. Just check the resistance between the two screws that attach the fuse to the cluster. Also, there is a u-shaped bare wire that runs from the speedometer circuit board to the main instrument cluster circuit board. This wire provides power to the main circuit board. Check to see that this wire is in place. Check all other connections in the cluster.
And whatever you do, don't connect the red/white wire to anything on the cluster unless you have a tachometer.
You can easily check the fuse using an ohm meter. Just check the resistance between the two screws that attach the fuse to the cluster. Also, there is a u-shaped bare wire that runs from the speedometer circuit board to the main instrument cluster circuit board. This wire provides power to the main circuit board. Check to see that this wire is in place. Check all other connections in the cluster.
And whatever you do, don't connect the red/white wire to anything on the cluster unless you have a tachometer.
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