VMAC - Vehicle Mounted Air Compressors
VMAC Technical Support: 888-241-2289
VMAC Knowledge Base: www.kb.vmacair.com
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The wires populating pins 6 and 14 (pins 19 and 20 on the back of
the OBD II) are a twisted pair (white wire and blue wire).
Figure 40 — Factory ground
☐
Splice the light blue wire from the throttle control to the wire at pin 20 (blue
wire at the time of writing) of the OBD II port (Figure 41).
Connecting the Wiring
☐
Unplug the OEM cable from the accelerator pedal and plug it into the matching
connector from the throttle control. Plug the cable from the throttle control into
the matching connector on the accelerator pedal.
☐
Connect the interface harness to the matching connector from the control box.
☐
Replace the doorsill trim and the kick panel.
☐
Attach the (×2) green wires with ring connectors, running from the control box,
and the throttle control to a good ground under the dashboard (Figure 40).
☐
Locate the OBD II port (generally located under the dashboard, beneath the
steering wheel column).
☐
Remove the fasteners securing the OBD II port to the dashboard; this provides
easier access to the wires at the back.
☐
Peel back the tape on the harness a few inches.
Figure 41 — OBD II connector
Factory
ground
☐
Splice the grey wire from the throttle control to the wire at pin 19 (white wire at
the time of writing) of the OBD II port (Figure 41).
☐
Connect the red wire with the bullet connector, running from the control box, to
the matching red wire running from the inverter.
☐
Connect the red wire with the bullet connector, running from the 4 pin interface
connector, to the matching connector on the throttle control.
