Ford 5000 need a voltage stabilizer for gauges?

Kevinford5000 · Mar 23, 2015

Have a '72 Ford 5000 Diesel. Working on the cluster wiring because fuel and temp gauges don't work. I have a 5 year old cluster on it and I never got the gauges to work correctly. I am trying to figure out the correct wiring locations for each connector on the back of the cluster. I think I have it sorted out but the gauges respond erratically. I don't have voltage stabilizer on the cluster. I see that there is listed a part for a Voltage stabilizer for a ford 5000. Where does it attach? Is it needed? Are the fuel and temp guages supposed to work off of 12volts or 5volts or what. I.T. shop manuals are of no help. -Kevin

Kevinford5000 · Mar 23, 2015

I can get the fuel and coolant temp gauges to swing between full and empty and cold and overheating respectively by jumping to ground or power. So I know the needles on the gauges work. Does anyone have any picture of the wiring on the back of a cluster?

JMOR · Mar 23, 2015

(quoted from post at 01:35:34 03/23/15) Have a '72 Ford 5000 Diesel. Working on the cluster wiring because fuel and temp gauges don't work. I have a 5 year old cluster on it and I never got the gauges to work correctly. I am trying to figure out the correct wiring locations for each connector on the back of the cluster. I think I have it sorted out but the gauges respond erratically. I don't have voltage stabilizer on the cluster. I see that there is listed a part for a Voltage stabilizer for a ford 5000. Where does it attach? Is it needed? Are the fuel and temp guages supposed to work off of 12volts or 5volts or what. I.T. shop manuals are of no help. -Kevin

ith nothing more to offer, I wouldn't ordinarily respond, but you are not getting responses, so I'll say that it likely needs stabilizer, since the 2000, 4000 and later 4600, 5600, 7600 all used one. The instrument cluster voltage stabilizers were not a regulator to 5v or any other in the normal sense. Think turn signal blinker, on/off/on/off. If you averaged the on voltage/on time with the off voltage/off time ....you would have something averaging less than 12 volts & that is roughly how those work.

Bern · Mar 23, 2015

Voltage stabilizer screws to the back of the dash with two screws. This is only needed with the original style cluster, not with the newer style.

To tell whether you have the newer or original style cluster, watch the gauges needles as you turn the key on and off. The original style gauge needles move very slowly, and return to the left with the key off. The newer style move pretty much instantly, and seem to float around randomly with the key off.

Ford 5000 need a voltage stabilizer for gauges?

Kevinford5000

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Kevinford5000

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JMOR

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Bern

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