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7 Color Series 30,000 PSI Fuel Rail Pressure Gauge

For Product Numbers: GS-C719, GS-T719, and GS-W719

Wire Color Code

Yellow:

12v Constant Source (+) (un-switched)

Orange:

12v Switched Headlamp Source (+) (optional)

Red:

12v Ignition Source (+) (switched)

Green:

Connects to the Factory Rail Pressure Sensor Wire

Black:

Vehicle Ground ( - )

1. Disconnect the vehicle's negative battery cable.

Connecting the Power Wire Harness

2. Connect the green wire to your factory rail PSI sensor signal wire.

This sensor is usually located on the common rail towards the firewall,

but please consult your repair manual for the exact location of this

sensor. Consult the chart below for the color of your vehicle’s factory

sensor wire.

 Note: Make sure this wire is not pinched when running it through the

firewall; the use of a rubber grommet is required.

Vehicle

Sensor Wire Color

03 Dodge 5.9 Cummins Engine

Pink/Black

04-08 Dodge 5.9 and 6.7 Cummins Engine

Brown/Yellow

02-08 GM 6.6 Duramax Engine

Yellow

09 GM 6.6 Duramax Engine

Orange/Black

3. To make the wiring of your gauges easier you can purchase an expandable

circuit. This component easily fits into your fuse panel and provides an

additional fused power wire for accessories such as gauges. The expandable

circuit is available for purchase at www.GlowShift.com.

4. Using automotive grade wiring (18 gauge); connect the yellow wire to a

positive 12 volt constant (un-switched) source either on the vehicle or in the

fuse box.

 Note: If you are connecting the yellow wire directly to the battery, you

MUST install a 3 amp fuse within 6-8 inches of the battery connection.

5. Using automotive grade wiring (18 gauge); connect the red wire to

a positive 12 volt ignition (switched) source. It may be connected to

the fuse panel, an accessory wire, or any positive 12 volt source that

turns on and off with the ignition.

6. Using automotive grade wiring (18 gauge); connect the black wire

to any good (unpainted) ground connection. You may also route a

wire directly to the negative side of the vehicle’s battery.

7. The Night Time Dimming feature decreases the brightness of the

gauge face by 30%. Connect the orange wire to the 12 volt positive

headlamp source. This allows the mode to be activated when the

headlights come on. This step is optional and will not affect operation

of the gauge if it is omitted.

 Note: Do not connect the orange wire to a dimmer wheel.

This will cause the gauge lighting to flicker.

8. Reconnect the vehicle's negative battery cable.

 If your gauge(s) do not illuminate or do not recall your last

saved color, your switched and un-switched sources are

reversed.

 If your gauge(s) only illuminate red then the yellow wire for

constant source is not connected properly.

 Be sure all of your wiring is correct to ensure proper gauge

operation.

Summary of content (3 pages)

PAGE 1
7 Color Series 30,000 PSI Fuel Rail Pressure Gauge For Product Numbers: GS-C719, GS-T719, and GS-W719 Wire Color Code Yellow: Red: Black: 12v Constant Source (+) (un-switched) 12v Ignition Source (+) (switched) Vehicle Ground ( - ) 1. Disconnect the vehicle's negative battery cable. Connecting the Power Wire Harness 2. Connect the green wire to your factory rail PSI sensor signal wire.
PAGE 2
Be sure the pins on the back of the gauge are correctly configured for your vehicle’s engine by following the table below.  Note: The 8th position in the VIN number is the Engine Code 03-07 Dodge Ram with the 5.9 Cummins 99-Mid 04 Chevy/GMC Duramax  Both 1 and 2 Switches in the Up Position LB7 Vin Code 1 Mid 04-05 Chevy/GMC Duramax  LLY Vin Code 2 07.5-2010 Dodge Ram with the 6.
PAGE 3
ONE YEAR NON-TRANSFERRABLE LIMITED WARRANTY AND DISCLAIMER GlowShift Gauges, LLC ("GlowShift") warrants to the original retail consumer purchaser, and not any other purchaser or subsequent owner, that this Product will be free from defects in material or workmanship for a period of one (1) year from the purchase date. For a period of one (1) year from the date of purchase, at no charge to the Purchaser, GlowShift will repair or replace this Product if it is determined by GlowShift to be defective.