COMPRESSOR OUTPUT IS 100 PSI MAXIMUM. DO
NOT EXCEED 100 PSI OR YOU WILL VOID WARRANTY.
1. Remove cover of the Pressure Switch on the Auto Pump.
2. Wire the pressure switch to the battery and a good chassis ground, use #14 AWG WIRE
MINIMUM .
3. Reinstall cover of Pressure Switch .
4. The compressor is calibrated to cut-in at 75 PSI and cut-out at 95 PSI . For higher cut-in and
cut-out, turn the range nut clockwise . To lower cut-in turn range nut counterclockwise . Do
not exceed 100 PSI .
5. 091-9 AUTO PUMP can be wired to a positive or negative system vehicle .
6. Optional switch and fuse can be installed as shown (use 20 amp rated switch and 15 amp SLO-
BLO fuse).
VEHICLE WIRING INSTALLATION