Vmac VR150 - Page 34

VMAC – Vehicle Mounted Air Compressors
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□ For WTEC MD transmissions, locate pin “B” on connector 7205
(Figure 4.9). It will be a light blue with yellow stripe wire. Do not
use connector 7206. Probe the wire and confirm 0 Volts in
Neutral and 12 Volts in all other gears. Solder the blue wire to
this wire and protect the connection with electrical tape.
□ For 2000/2400 transmissions, locate pin “G” in connector 7306
(Figure 4.9). It will be a yellow with black stripe wire. With the
engine running, brake pedal pressed, and wheels blocked, probe
the wire and confirm 0 Volts in Neutral and 12 Volts in all other
gears. Mark this wire for identification. With the batteries
disconnected, solder and seal the blue wire to this wire.
4.2.2 Vehicles with Hydraulic Brakes
□ Route the black wire with the piggyback connector under the
floor mat to the park brake and remove the cover from the park
brake assembly.
□ Remove the OEM connector from the park brake switch (Figure
4.10), connect the wire with the piggyback connector to the park
brake switch and install the OEM connector to the piggyback
connector.
□ Replace the cover.
4.2.3 Vehicles with Air Brakes
□ Route the black wire into the engine compartment through the
firewall.
□ Splice the black wire to the tan wire with two red stripes at the air
brake pressure switch on the firewall (Figure 4.11). Seal the
splice with electrical tape.