Western Center High Mounted Stop Lamp (CHMSL) Isolation Relay Kit #63632 Installation guide

Type
Installation guide
Lit. No. 63689 1 March 1, 2001
CENTER HIGH MOUNTED STOP LAMP ISOLATION RELAY KIT
INSTALLATION INSTRUCTIONS
63632
(Continued on other side.)
SAFETY DEFINITIONS
CAUTION
Indicates a situation that, if not avoided, could
result in minor personal injury and/or damage
to product or property.
NOTE: Identifies tips, helpful hints and
maintenance information the owner/operator
should know.
WARNING
Indicates a potentially hazardous situation
that, if not avoided, could result in death or
serious personal injury.
WARNING
Do not install this product in deployment path
of an air bag. Refer to vehicle manufacturers
manual for air bag deployment area(s).
CAUTION
Disconnect electric power before servicing or
performing maintenance.
WARNING
DO NOT hook up directly to the host vehicle’s
stop lamp switch. Hooking up directly to the
stop lamp switch may affect engine control,
transmission control, anti-lock brakes, and the
speed control module.
The purpose of the CHMSL (Center High Mounted
Stop Lamp) Isolation Relay Kit is to provide a signal
source for the spreader CHMSL when the host
vehicle’s CHMSL circuit is not capable of providing
the extra current. All vehicles with CHMSL shall have
spreader CHMSL operating.
NOTE: This kit is applicable to 1994 and earlier
vehicles. Also late model vehicles that do not
provide a suitable CHMSL feed wire/connection
point.
SAFETY PRECAUTIONS
The host vehicle’s authorized dealer or Body Builder
Guide is the best source of information on suitable
CHMSL signal electrical hook up location.
Before you Begin
Park the vehicle on a level surface, place shift
lever in PARK or NEUTRAL and set the parking
brake.
Lit. No. 63689 Printed in U.S.A. March 1, 2001
Copyright© 2001 Douglas Dynamics, L.L.C. All rights reserved. This material may not be reproduced or copied, in whole or in part, in any printed,
mechanical, electronic, film or other distribution and storage media, without the written consent of the company. Authorization to photocopy items for
internal or personal use by the company’s outlets is granted.
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 herein. The company and the vehicle manufacturer may require and/or recommend optional
equipment for snow and ice control. The company offers a limited warranty for all spreaders and accessories. See separately printed page for this
important information.
CENTER HIGH MOUNTED STOP LAMP ISOLATION RELAY KIT
INSTALLATION INSTRUCTIONS
63632
INSTALLATION INSTRUCTIONS
(Refer to Wiring Diagram below.)
Locate the feed wire for the host vehicle’s CHMSL.
Pick a location for the relay which provides a short
and convenient hook-up for ground, fused +12VDC,
the spreader vehicle harness and the CHMSL signal.
Make all the connections using the crimp terminals
provided. DO NOT USE INSULATION PIERCING
CONNECTORS. The butt splices provided are glue
lined heat shrinkable. After all connections are
finished and tested, use the provided wire wraps to
secure the relay and wires.
Wiring Diagram
(FROM IGNITION SWITCH CONTROLLED
48" RED #16AWG GXL (63685)
TAG LOCATION
86
87
85
30
87A
BOTTOM VIEW
RELAY #61535
CONNECT TO RELAY TERMINAL #85
48" BLACK #16AWG GXL (63684)
48" ORANGE #16AWG GXL (63686)
CONNECT TO RELAY TERMINAL #86
48" ORANGE #14AWG GXL
(FROM VEHICLE HARNESS #63633)
CONNECT TO RELAY TERMINAL #30
(FROM VEHICLE CHMSL CIRCUIT)
12VDC FUSED ACCESSORY CIRCUIT)
(FROM VEHICLE GROUND)
CONNECT TO RELAY TERMINAL #87
VEHICLE HARNESS #63633
(Continued from other side.)
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Western Center High Mounted Stop Lamp (CHMSL) Isolation Relay Kit #63632 Installation guide

Type
Installation guide

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