ISSPRO R18066 User Manual

Page 2

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Form No. IS169 (Rev. H 11/15/2013

)

ISSPRO, INC.

2515 N.E. Riverside Way

Post Office Box 11177

Portland, Oregon 97211-1899

503-528-3400

800-888-8065

Fax: 503-528-3495

www.isspro.com

© 2008 ISSPRO, Inc. All Rights Reserved.

8

Install the three sensor harness wires along with the individual red,

orange and black wires into the orange insulation displacement connector

(see Fig.2 for positions), using the included wire insertion tool (R72023).

Follow the directions with the tool. DO NOT strip the wire ends, the

connector will pierce the wire insulation, and the insulation helps hold the

wire into the connector. Each wire must be pushed completely to the

bottom of its groove in the connector to ensure a good electrical

connection. Note that the 3 sensor harness wires run only between the

gauge and the sensor, not connecting to any other power or ground.

Connect the other end of each of the remaining wires as follows:

Ignition – The red wire should be connected to one wire of the

included fuse holder using the included crimp splice, and the other

wire of the fuse holder connected to a circuit that switches on with

the key switch. Install the included 1 amp fuse in the fuse holder

Use only 1 amp fuses, higher amperage fuse may cause

damage to the gauge or to the vehicle.

Dimmer – Connect the orange wire to the factory gauge dimmer

circuit by either tapping into the in-cab fuse block or by

connecting directly to the wire running from the dimmer on the

headlight switch.








Figure 2: Connector.

Pin Wire Color Function

1 Red

Ignition

2 Orange

Dimmer

3 Black

Ground

4 Red/Yellow Sensor

Power +5V

5 Green

Sensor

6 Black

Sensor

Ground

Ground – The black wire in pin #3 should connect to a clean ground on the vehicle such as

the battery negative terminal or a factory ground bolt.

Slide the white dust cover over the orange connector once the wires are securely installed.
NOTE
: The gauge backlighting will only illuminate if both the ignition supply AND the

backlighting circuits are on.
OPTIONAL: Daisy Chain Your Gauges – If multiple EV

2

gauges are being installed in one

location (such as a pod), you may use a single set of the Ignition, Dimmer, and Ground wires to

connect all of the gauges. Simply pass the wires from one orange connector to the next one in a

“daisy chain” configuration. A single 1-amp fuse will protect up to 12 EV

2

gauges.

9

Install the connector onto the back of the gauge (angled portion on end of

connector pointing up as shown in photo)

, and then secure the gauge in its

mounting location. If drilling a mounting hole in a panel to mount this

gauge, the hole size should be 2.040”. Mounting Kit R19999 is available

for larger mounting holes up to 2.200”.

NOTE!!! The orange connector MUST be installed in the direction shown. It is possible to force

it in backwards far enough to make an electrical connection which may damage the gauge!

10

Secure all wiring so that it does not interfere with moving parts or chafe on sharp edges. This

may be accomplished by routing the wiring within the factory wire harness sheath, using wire ties

and sheathing, and using appropriate grommets when passing through the firewall.

Pin #6

Dimmer (orange)

Ground (black)

Sensor Ground (black)

Ignition (red)

Sensor Power +5V (red/yellow)

Sensor (green)

Pin Numbers

1

2

3

4

5

6

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