7
Connecting Power with the ABS Connector
North American trailer manufacturers use one of two standard connectors
to connect the trailer’s wiring harness to the ABS brake system: USA
Brand, which uses a 6-pin plug, or Sealco, which uses a 5-pin plug.
Air-Weigh provides T-breakout connectors that do not require splicing or
soldering and do not interrupt power to the ABS system for each of these
connector types.
1. Locate the ABS system harness. Trace the harness to the breakout
connection.
2. Disconnect the 5- or 6-pin breakout connection.
3. Connect the supplied ABS T-breakout connector to both ends of
the ABS harness breakout. Make sure the locking tabs are locked
securely. If you are using the USA connector, make sure all pins
are properly aligned and the white plug is rmly seated in its locking
hole. Failure to do so will cause faults in your ABS system.
4. Connect the scale’s power extension cable to the T-breakout
connector.
5. Route the power extension cable along the frame of the trailer
toward the location where the scale is installed. If possible,
route along an existing wiring harness. If the trailer has a sliding
suspension you must use an existing wiring harness or umbilical to
avoid damaging or breaking the cable.
6. Secure the cable loosely to the frame using zip ties.
7. Connect the end of the power extension cable to the power
interface cable. Make sure the cable is under no strain and is not
bend.
Connecting the T-Breakout to the Power Cable
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