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Wiring on a Cub Generator

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Mifsud

02-01-2008 18:32:07




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wiring a 1948 Cub with a cut out. I changed it over to a distributor coil set up. When looking at Bob Melvins diagram It has the A post going to the gen. lug on the cutout. the F terminal on the generator is going to the field resister lug on the 4 way switch. Question is the F post on my generator now goes to ground on the generator. Am I just suppose to forget about the ground and go straight from F post to the field resistor?

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John T

02-01-2008 19:37:46




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 Re: Wiring on a Cub Generator in reply to Mifsud, 02-01-2008 18:32:07  
If you permanently dead ground the gennys FLD post it will always max charge n could overcharge the battery. Keep an eye on the battery for excess outgassing or boiling over acid which could harm it. If the gennys FLD post wires to the 4 position LHBD switch as it should she low charges in L and max charges ONLY if left in the H position (dead grounded FLD). Changin from a mag to a coil ignition doesnt affect if you use a cutout realy and the 4 position ligth switch versus a voltage regulator system other then a coil does take current to operate n is more of a battery load then the mag would have been.

For the genny to work n gthe LHBD switch function the gennys FLD post must ve wired to teh switch and it be good n have a good dash ground

This all depends on how good the battery n genny is n the RPM and the loads (lights n ignition) useage, while a permanent dead grounded FLD is NOT according to Hoyle you may get by with it with no damage, it all depends on battery n genny n the load useage, just be aware of possible overcharging if you run a long long time at full RPM with no lights on.

Gennys ARM post wires to GEN/ARM side of cutout while its FLD wires to LHBD switch and relays BAT side wires to load side of ammeter

John T

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