Douglas Dynamics Western 26470-2 Betriebsanleitung - Seite 13

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ISOLATION MODULE TEST PROCEDURE – 3-PORT MODULES

ISOLATION MODULE 29760 AND 29760-1

(BLUE LABEL) OFF-VEHICLE TEST

Set-Up

Before connecting the Isolation Module Tester to the

Isolation Module, ensure the Isolation Module Tester

switches are in the following positions.

Isolation Module Tester Switch

POWER

PARK LAMPS

HEADLAMPS

PLOW ATTACHED

IGNITION SWITCH

HEADLAMP COMMON

HIGH BEAM #2

DEDICATED DRL BULB SYSTEM

Connection – Requires Adapter 29294-1

Connect the Isolation Module Tester to the 29294-1

adapter and module as follows:

1. Connect Isolation Module Tester cable 1 to

adapter connector 1.

2. Connect Isolation Module Tester cable 2 to

Isolation Module connector A.

3. Connect Isolation Module Tester cable 3 to

adapter connector 3.

4. Connect adapter cable connector B to Isolation

Module connector B.

5. Connect Isolation Module Tester cable 4 to

adapter connector 4.

6. Connect adapter cable connector C to Isolation

Module connector C.

7. Connect the Isolation Module Tester power cable

to a 12V power source by attaching the red

alligator clip to POSITIVE (+) and the black

alligator clip to NEGATIVE (–).

Test Vehicle Lights

1. Place the Isolation Module Tester POWER switch

in the "ON" position. The green POWER indicator

should light.

Lit. No. 26473, Rev. 03

2. Place the PARK LAMP switch in the "ON" position.

The left and right side tester vehicle LOW BEAM

lamps should light.

3. Place the HEADLAMP switch in the "HIGH"

position. The tester vehicle HIGH BEAM indicators

should light.

Test Snowplow Lights

Position

1. Place the PLOW ATTACHED switch in the "ON"

OFF

position. The green PLOW ATTACHED indicator

OFF

should light and both plow HIGH BEAM indicators

LOW

and the plow PARK LIGHTS indicator should light.

OFF

2. Place the HEADLAMP switch in the "LOW"

NEG (–)

position. The plow LOW BEAM and PARK LIGHTS

indicators should light.

OFF

3. Place the IGNITION SWITCH in the "ON" position.

The green IGNITION SWITCH and CONTROL

POWER indicators should light.

4. Press and hold the TURN SIGNAL switch in the

"LEFT" position. The plow left TURN SIGNAL

indicator should light. Release the switch.

5. Press and hold the TURN SIGNAL switch in the

"RIGHT" position. The plow right TURN SIGNAL

indicator should light. Release the switch.

6. 29760-1 Module only: Place the PARK LAMP and

IGNITION SWITCH in the "OFF" position. The

IGNITION SWITCH and CONTROL POWER

indicators should turn OFF. Listen for the "click" of

the configuration relay inside the Isolation Module

Tester. Cycle the IGNITION SWITCH several

times to verify the relay is functioning properly.

Place the IGNITION SWITCH in the "OFF"

position and cycle the PARK LAMP switch several

times to verify the relay is functioning properly.

Place the PARK LAMP switch in the "ON" position.

The plow LOW BEAM and PARK LIGHTS

indicators should be ON. Listen for the "click" of

the configuration relay inside the Isolation Module

Tester. Cycle the PARK LAMP switch several

times to verify the relay is functioning properly.

The Isolation Module Test is complete. Turn Isolation

Module Tester OFF and disconnect Isolation Module.

Disconnect Isolation Module Tester from power source.

November 1, 2007