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650014B
Troubleshooting Guide
IMPORTANT: Make sure to always disconnect the negative cable from the battery if you are going to be working on
or under the vehicle. Failure to do so can result in serious injury if the system is accidentally activated.
Problem
Possible cause
Solution
Cannot Get Into Diagnostics
Violet wire is not seeing ground
Optional Neutral Safety wire is
grounded (Light Green)
Black ground has poor connection,
(cruise is attempting to find ground
though Violet wire)
Test by placing Violet wire to ground
Install LED tail-light relay
Disconnect Light Green wire
Establish good ground to black wire.
Does Not Engage
LED tail-lights
Violet wire not grounded through tail-
light circuit
Tach Interference
Install LED tail-light relay
Install LED tail-light relay, or fix tail-
light ground, replace burnt bulbs
Disconnect tach wire from source and
attach blue wire to ground (
for
diagnostic purposes only
)
Cruise Surges
Sensitivity Set too high
VSS set incorrectly
Tach Interference
Too much slack in throttle cable
Try lower sensitivity setting, or SW 1
and SW 2 to the OFF position
Check VSS pulse rate settings on
DIP switches
Disconnect tach wire from source and
attach blue wire to ground (
for
diagnostic purposes only
)
Remove slack from cable
Engages briefly, but then
disengages
Power
Poor pulse generator ground
Sensitivity Set too high
Check power on the RED and
BROWN wires
Ground pulse generator to cruise
black wire, or VFD3 control box
Try lower sensitivity setting, or SW 1
and SW 2 to the OFF position
Disconnect tach wire from source and
attach blue wire to ground (
for
diagnostic purposes only
)
