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Setting the warning limits, sender setup, and update speed:
The SND terminal is used to enter and change the warning settings. You will need a wire connected to the
SND terminal that can be momentarily grounded while you watch the gauge. The headlight(s) should be off or the
DIM terminal unhooked so that it does not interfere with the setup.
1. To enter the set mode, turn the key on with the SND wire not grounded. The gauge will display "SEt".
2. Ground the SND wire. The gauge will display "PSI". (If you wait too long the gauge will exit the setup
routine and you will need to repeat step #1).
3. Release the SND wire. The gauge will display the current setup. "150" is for 150psi, "400" is for 400psi,
"75" is for 75psi, and "30" is for 30psi senders.
4. Each time you momentarily ground the SND wire the setup will change.
5. When the desired setup value is displayed, keep the SND wire grounded for about 2 seconds. The gauge
will display " LO".
6. Release the SND wire. The gauge will display the current low warning pressure.
7. Each time you momentarily ground the SND wire the number will change.
8. When the desired low warning value is displayed, keep the SND wire grounded for about 2 seconds. The
gauge will display "HI".
9. Release the SND wire. The gauge will display the current high warning pressure.
10. Each time you momentarily ground the SND wire the number will change.
11. When the desired high warning value is displayed, keep the SND wire grounded for about 2 seconds. The
gauge will display "SPd".
12. Release the SND wire. The gauge will display the current update speed (slow or fast).
13. Each time you momentarily ground the SND wire the speed setting will change.
14. When the desired update speed is displayed, keep the SND wire grounded for about 2 seconds. The
gauge will display "--".
15. Turn the key off.
Troubleshooting guide.
Problem
Gauge will not light up
Gauge lights up, but does
not read correctly.
Gauge lights up, but displays Gauge is damaged.
"Er0".
Gauge lights up, but displays SND terminal is shorted to ground.
"---".
Gauge lights up, but displays Sender is not connected to gauge.
"EEE".
Gauge lights up, but displays Gauge is sender setup needs to be
"Er4".
Gauge lights up, but displays Gauge warning points need to be
"Er5".
Gauge flashes constantly.
Gauge will not dim.
Gauge remains dim at all
times.
Possible cause
PWR terminal does not have power.
GND terminal does not have a good
ground.
Gauge is damaged.
Loose connection on SND terminal.
Poor ground connection.
Gauge is sender setup is incorrect.
Voltage or wiring problem in the
vehicle wiring harness.
Sender is damaged.
Wire between gauge and sender is
broken.
Sender is not grounding properly.
Sender is damaged.
Gauge is damaged.
reset.
reset.
Warning limits are not set properly.
Pressure is too low or too high.
DIM terminal is not connected correctly. Check wiring connections.
DIM terminal is getting power all
of the time.
Battery is very low.
Gauge is damaged.
Solution
Connect to a location that has power.
Connect to a different ground location.
Return gauge for service. (see instructions)
Reconnect wire.
Move ground to different location
See "Setting sender setup" in the manual.
Check wiring harness for loose or damaged wires.
Gauge must be returned for service. (see instructions)
Check wire for damaged insulation. Replace if necessary.
Replace sender.
Connect SND terminal on gauge to sender terminal.
Test and replace wire.
Sender grounds through it's mounting threads. Make sure the threads
are clean. Do Not Use Tape or Sealant on Sender Threads.
Replace sender.
Return gauge for service. (see instructions)
See "Setting sender setup" in the manual.
See "Setting the warning limits" in the manual.
Reset warning limits.
Check filter and pump.
Connect DIM wire to location that only has power when the headlight(s)
are on.
Recharge or replace vehicle battery.
Return gauge for service. (see instructions)
MAN# 650100A
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