Thursday, June 4, 2009

Relay wiring diagrams

Here are two wiring diagrams I did for relay installation.

The first is a typical relay setup using the Bosch 4-pin relay available at just about any auto parts store. It will work for any setup and take most of the current load off of the fragile switches.

The second is for adding an aux fuse panel that comes on with the ignition or accessory via the key. The relay used for that should be adequate to handle all of the amps going through the fuse panel. I’ll be running about 40 amps through mine so I’ll be using at least a 60 amp relay so there is some cushion.
Feel free to use these if you need them.

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