Re: switch

Posted by Owen_Dyneto On 2019/10/7 20:16:48

A "slight discharge" is typically not a short circuit, a short would be a full deflection of the ammeter and a blown fuse or tripped circuit breaker (headlight circuit). You likely have some sort of resistance problem with your sending unit. You'll have to drop the tank to remove it. They can often be repaired by places like Wolf Instruments, also repro units might still be available from Atwater Kent. If your existing unit is repairable, I'd go that route rather than the repro unit.

Hardest part of dropping the tank will be dealing with the flexible link to the filler neck in the taillight. The original brass bellows has probably been replaced with an improvisation of some sort. Note that the tank is not held in place by the usual type of strap; drain it and use a hydraulic jack with a large piece of wood between the tank and jack. Unbolt the tank, disconnect the fuel line and sending unit wire, and lower away. Note that the tank is internally baffled into multiple (6?) compartments which can complicate things if you choose to have the tank coated.