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Oil Light Not Working
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Author:  Ianredspecial [ September 25th, 2020, 7:14 pm ]
Post subject:  Oil Light Not Working

Friends, my oil light doesn't work. It may be because my ignition wires all fell off while I was driving recently and I stuck them back on but maybe they're wrong.

Any chance of a picture of how the wires connect on the back on the ignition switch off a late special?

The bulb itself is fine when connected to the hazard connections.

Author:  Roger V [ September 26th, 2020, 12:41 pm ]
Post subject:  Re: Oil Light Not Working

the circuit itself is very simple.

A switched 12v supply to the bulb. A wire from the bulb to the oil pressure sender. The sender switches the ground side of the circuit.when there is pressure, the sender breaks the circuit

The oil pressure sender, is not to far from the points box, and the wire for it goes through the front of the fan cowling with the wire that goes to the points box.

If you follow those wires up from the bottom of the cowling to the headlight bar, you will most lightly find a disconnected wire. Somewhere in the wiring harness suppling the lights and coil etc, is a wire without anything plugged in. Its most lighly dropped down if you cant see it. :)

Whilst testing, dont burn your coil out by leaving the ignition switched on constantly. ;)

Author:  Ianredspecial [ September 28th, 2020, 11:02 am ]
Post subject:  Re: Oil Light Not Working

Thanks Roger. I feel like it coincided with the ignition wires falling off, but I'll investigate from the sensor up. I replaced that one a few years ago so I know where it lives.

Author:  Ianredspecial [ October 2nd, 2020, 7:29 pm ]
Post subject:  Re: Oil Light Not Working

Thanks Roger I'll check it out. I did replace that sensor a few years ago so I know the one.

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