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TRACTOR CAB INC.
August 2001 1164 4
STEP 1: TAKE HARNESS ASSEY.AND ROUTE FROM THE REAR OF THE VEHICLE TO THE FRONT. ROUTE HARNESS
ALONG FRAME AND ATTACH TO FRAME HOLES AND FRAME SUPPORTS. IT IS NOT RECOMMENDED TO ATTACH TO
FUEL OR BRAKE LINES FOR OBVIOUS REASONS. DO NOT ROUTE CLOSE TO EXHAUST SYSTEM OR ENGINE, EVEN
THOUGH CURTIS USES HIGH TEMPRETURE WIRING IT STILL COULD MELT UNDER EXTREME HEAT AND
SHORT THE SPREADER ELECTRICAL SYSTEM AS WELL AS THE VEHICLE ELECTRICAL SYSTEM.
STEP 2: MOUNT REAR PLUG ON BUMPER USING SUPPLIED BOLTS, LOCATE TOWARDS THE CENTER OF THE BUMPER
TO REDUCE THE AMOUNT OF DEBRIS THE TIRES WILL THROW TO THE REAR. IMPORTANT–APPLY A SMALL
AMOUNT OF DIAELECTRIC GREASE TO THE PLUG.
STEP 3: SECURE HARNESS FROM THE REAR TO THE FRONT USING HEAVY DUTY TY-WRAPS OR FRAME CLIPS ALONG
THE FRAME AND LIGHTER DUTY TY-WRAPS EVERYWHERE ELSE.
STEP 4: LAYOUT HARNESS PORTION THAT CONNECTS TO THE BATTERY ALONG THE FIRE WALL AND FENDER
WELL. DO NOT CONNECT POWER LEADS TO BATTERY YET. DRILL A 3/4'' HOLE IN THE FIRE WALL FOR THE
CONTROL PORTION OF THE HARNESS AND ROUTE CONNECTOR AND HARNESS THROUGH HOLE. BE SURE TO
CHECK THE AREA ON THE OTHER SIDE OF THE FIRE WALL TO MAKE SURE YOU ARE NOT GOING TO DRILL INTO
THE VEHICLE HARNESS OR A CONTROL MODULE. GENERALLY YOU CAN DRILL ON EITHER SIDE OF THE STEERING
WHEEL FOR A GOOD LOCATION.
STEP 4A: (FAST-CAST 4000) THE POWER HARNESS FROM CONTROL BOX TO BATTERY WILL NEED TO BE ROUTED
FROM THE INSIDE OF THE CAB TO THE BATTERY – THIS RESULTS FROM THE LARGE HIGH AMPERAGE
CONNECTOR. ROUTE LEADS WITH LUGS TO BATTERY – DO NOT CONNECT POWER AT THIS TIME.
STEP 5: CONNECT HARNESS TO THE BACK OF THE CONTROLLER AND MOUNT TO A SUITABLE
LOCATION.****(NOTE)****YOU MAY WANT TO CONTACT CUSTOMER BEFORE MOUNTING CONTROLLER, SOME
PREFER NOT TO HAVE HOLES DRILLED INTO THE DASHBOARD. TY-WRAP LOOSE CONTROLLER HARNESS AND MOVE
TO THE ENGINE COMPARTMENT.
STEP 6: CONNECT POWER LEADS TO THE BATTERY: RED+ POSITIVE, BLACK - NEGATIVE, ALWAYS CONNECT TO
THE PRIMARY BATTERY IF USING A DUAL BATTERY SYSTEM, SECURE LOOSE LOOM TO ANY OTHER LARGE OR
MEDIUM VEHICLE HARNESS WITH MEDIUM DUTY TY-WRAPS THIS WILL SECURE WIRING HARNESS.
STEP 7: INSTALL IGNITION WIRE TO AN AUXILIARY CIRCUIT THAT IS HOT WHEN THE IGNITION KEY IS TURNED TO
ON POSITION. THIS WIRE IS 60'' LONG AND HAS A FEMALE TERMINAL ATTACHED TO IT. THIS WIRE WILL PLUG
INTO BACK OF CONTROLLER. THIS WIRE MUST BE INSTALLED IN ORDER FOR CONTROLLER TO WORK.
STEP 8: PUSH THE ON/OFF BUTTON ON THE CONTROLLER TO CHECK FOR POWER, WHEN THAT HAS BEEN
CONFIRMED TURN POWER OFF. THE ELECTRICAL PORTION OF THE INSTALLATION IS COMPLETE.
NOTE: IF ADDING AN INLINE FUSE, USE A 35 AMP SLOW BLOW FUSE (FAST-CAST 2000 AND FAST-CAST 3000
ONLY), AND USE A 60 AMP SLOW BLOW FUSE FOR FAST-CAST 4000 ONLY.
Wiring Instructions