Headlight relay mod

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Bonearzt

Junior Member
Joined
Sep 9, 2025
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Location
TX
First Name
Eric
Truck Year
1974
Truck Model
C-10
Engine Size
350
Hi All, I've seen the threads detailing adding relays to the headlight circuit.
My question is what relay to use?

Thanks!
 

Grit dog

Full Access Member
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May 18, 2020
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Location
The Right side of Washington
First Name
Todd
Truck Year
1986, 1977
Truck Model
K20, C10
Engine Size
454, 350
If you’re asking that, making your own relay kit (2 relays actually) may be difficult.
But buy you a Toyota light kit (find the thread on here). It’s a quality plug and play relay setup and you get free headlights. For cheaper than a quality relay setup from the classic car places.
Don’t buy an Amazon kit. They’re cheap. I bought one and it was not worth anything. Period.
 

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