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MSD Solid State Relays

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Hello -

I'm building a 1975 C3 Corvette restomod. I'm using an Edelbrock Pro Flo 4 EFI and the car will also have a Vintage Air system. I was given the attached Vintage Air schematic showing a Holley Sniper wiring setup which is supposed to be the same with just a couple of the wires colors being different between the Edelbrock and Holley systems. I wanted to use the MSD Solid State relays, but I'm not sure of how the terminals wire versus a traditional Bosch style relay. I've attached a couple of the docs I was given. Thx for any help!

Rick Nicolari

Attached Files

You're going to need to ignore wire colours as theres no standard between manufacturers and sometimes between products within a manufacturer.

For the MSD relay, based on the documentation you can choose between a 12v signal or a ground signal. in the Sniper diagram provided all the outputs in use are low side (ground controlled) outputs. Pin 85 of the 5 pin ice cube relay is the same as the lower 4 row terminals on the MSD relay.

Hope that answers your question, might need more information to what your specifically trying to do if that doesn't.

Teeson111 - Thx for the info! Hopefully no meltdowns when I connect the battery!

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