How to wire up a single compressor, multiple compressors to both relay and solenoid. How to wire in a pressure switch and run it off a switched ignition circuit. We discuss the effects on improper wire size, how to measure ground resistance and voltages.

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http://www.UniversalAir.com

Products in the video:
Viair 444 Compressor: https://www.universalair.com/shop/va-...

Viair 200 PSI Pressure Switch: https://www.universalair.com/shop/va-...

80 Amp Solenoid: https://www.universalair.com/shop/04-...