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Fuses what amp


Guest PetePontiac

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Guest PetePontiac

Hi my 1938 Pontiac has under the dash 2 fuses attached to the light switch plate.

according to my user's guide the # 1. fuse for all electrical units except left headlamp.

# 2. fuse for left headlamp only.

what amp fuses would I use for these ?

what amp fuse would I use in my radio head ?

thank for you help,, PETE

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  • 2 weeks later...

I would measure the resistance of the device, allowing for a minimum resistance in the wire, switch, and connector. Then plug it into old faithful E=IR where E=6 volts and R is your ohmic value. "I" will be your current (Intensity). Give it 30 to 40% overdraw and select the closest fuse available. It should be fine.

Bernie

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