This is a replacement for the smaller 30/40-amp relays typically used to wire up compressors. This solenoid will replace up to 4 regular relays.
WIRING OF SOLENOID:
#87 CONNECT TO +12V BATTERY (fuse at battery!)
#30 CONNECT TO RED WIRE(S) OF COMPRESSORS
#86 CONNECT TO +12V ACCESSORY CIRCUIT
#85 CONNECT TO EITHER TERMINAL ON THE PRESSURE SWITCH (connect other terminal of pressure switch to -12V GROUND)
* * * * * DO NOT EXCEED 80-AMPS CONTINUOUS, OR YOU WILL SHORTEN THE LIFE * * * * *
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.