MSD Relays

[Raymond_B]

After talking about cooling fans in the other thread I thought this might be good for some of you guys to use. It certainly simplifies wiring and there's two versions 4 channel at 20 amps each and 4 channel at 35 amps each.

https://www.holley.com/products/electrical/wiring_and_relays/parts/75643-HC

 

[Jamie V]

That’s great that they came out with a higher amp version. It would be really nice if you were able to connect two circuits together for more power.

 

[Raymond_B]

That’s great that they came out with a higher amp version. It would be really nice if you were able to connect two circuits together for more power.

You can! Up to 140A

 

[ASAP]

Yea that’s awesome! Thanks Ray!


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[FMOS Racing]

I use the 20 amp MSD SSR for my fans. One channel for each fan.

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[Raymond_B]

I use the 20 amp MSD SSR for my fans. One channel for each fan.

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That's right I forgot you were running one. How do you have it wired?