Western Isolation Module Adapter Kit #29056-1 Installation guide

  • I've reviewed the installation instructions for the Western Adapter Kit 29056-1. This document provides detailed guidance on connecting the adapter to both the headlamps and high beam relay, including splicing wires. I'm ready to answer your questions about the installation process.
  • What should I do before making headlamp connections?
    What kind of connectors should be removed first?
    Where should the adapter harness be routed?
    What is the terminal used for splicing wires from the 10-pin connector to the relay?
The company reserves the right under its product improvement policy to change construction or design details and furnish equipment when so
altered without reference to illustrations or specifications used. This equipment manufacturer or the vehicle manufacturer may require or recom-
mend optional equipment for snow removal. Do not exceed vehicle ratings with a snowplow. The company offers a limited warranty for all
snowplows and accessories. See separately printed page for this important information.
Printed in U.S.A.
A DIVISION OR SUBSIDIARY OF DOUGLAS DYNAMICS, L.L.C.
29056-1 Adapter Kit
Installation Instructions
Do not rely on the headlamp type stamped on the
vehicle lens assembly. It may be incorrect. Prior to
making headlamp connections, properly identify the
type of each bulb printed on the black plastic base.
1. Install the vehicle control harness and plug-in
harness according to the Isolation Module
installation instructions.
2. Remove the HB-1 headlamp connectors. Connect
the plug-in adapter to both the HB-1 headlamps
and the connectors removed from the HB-1
headlamps.
3. Route the adapter harness to the location of the
4-position connector on the plug-in harness.
4. Connect the wires from the plug-in adapter to the
high beam relay as shown. The two wires from the
adapter are labeled as shown.
5. Install the insulated terminal onto Position 87 of
the high beam relay.
Lit. No. 29515, Rev. 00 December 29, 2006
EDB CA
FGJ HK
light blue wire
white wire
Connection viewed
from the wire side.
Adapter Relay Connections
High Beam Relay
BLK (30)
BLK (87A)
Insulated Terminal (87)
(no wire)
85
30
86
87A
87
6. Locate the 10-pin connector from the harness
connected to Port A of the Isolation Module.
7. Splice a wire (not included) from the white wire of
the 10-pin connector (Position A) to Position 86 of
the high beam relay using the supplied push-on
terminal.
8. Splice a wire (not included) from the light blue wire
of the 10-pin connector (Position J) to Position 85
of the high beam relay using the supplied push-on
terminal.
Adapter Relay Connections
High Beam Relay
Splice from
Position A
85
30
86
87A
87 Splice from
Position J
/