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Headlight relays

1970Custom

1970Custom

They call me Spuds
14,107
447
Middleton, ID
I know there's benefits to relays in the wiring for fog/driving lights, but does it have the same affect on headlights? I'm going to be upgrading the driving lights on the SHO and plan to install relays for them and was wondering if I should set the headlights up on them too...
 
DNFXDLI

DNFXDLI

The Token Canadian
Staff member
49,083
1,089
The Great White North
It can depending on what size of wire the factory used for the headlights in the first place. The shorter the distance between the battery and the headlights combined with the proper sized wire will result in a smaller voltage drop....which will give you the maximum light output.
 

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