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Wiring: 

PWR  - 

connect to 12 volt accessory power. 

GND  - 

connect to a good ground point in the vehicle. 

TNK  - 

connect to tank pressure sender (optional). 

DIM  - 

connect to the tail light circuit. 

WRN  - 

can connect to the negative side of a relay, light, or buzzer. 

 
The TNK terminal should be left open if the tank pressure is not being monitored. 

 
Sender Wiring for 4 bag systems: 

R-R 

connect to the right rear pressure sender. 

L-R 

connect to the left rear pressure sender. 

R-F 

connect to the right front pressure sender. 

L-F 

connect to the left front pressure sender. 

 
Sender Wiring for 3 bag systems: 

R-R 

DO NOT CONNECT. 

L-R 

connect to the rear pressure sender. 

R-F 

connect to the right front pressure sender. 

L-F 

connect to the left front pressure sender. 

 
Sender Wiring for 2 bag, front/rear systems: 

R-R 

DO NOT CONNECT 

L-R 

connect to the rear pressure sender. 

R-F 

DO NOT CONNECT 

L-F 

connect to the front pressure sender. 

 
Sender Wiring for 2 bag, left/right systems: 

R-R 

connect to the right pressure sender. 

L-R 

connect to the left pressure sender. 

R-F 

DO NOT CONNECT 

L-F 

DO NOT CONNECT 

 
Sender Wire Connection: 

 

The SEN-03-1 has just a single terminal on top.  Connect this to a wire that goes back to 

the controller.  The sender case is the ground connection.  Screw the sender into a grounded 
fitting to attach a ground wire to the case. 
 

The SEN-03-5 has two terminals on top.  Connect one to a wire that goes back to the 

sender input on the controller.  Connect the other to a wire that goes back to the ground 
connection for the controller.  The polarity of the two wires on the sender does not matter. 

 
Mounting: 

The gauge requires a round hole 2-1/16” in diameter.  It should be inserted into the 

opening from the front and the U-clamp will be installed from the back.  Tighten the two nuts on 
the U-clamp so that the gauge is secure.  Gauge depth to the back of the case is 1”.  Gauge 
depth including the mounting studs is 1-7/8”. 

The controller can be mounted to wood, metal, or plastic using screws with the four 

mounting holes, double sided tape, or hook and loop fasteners.

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