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Installation Guide:

Model ISP188

Intelligent Strobe Power Supply

©1998 Whelen Engineering Company Inc.
Form No.13306B (072507)

®

ENGINEERING COMPANY INC.

51 Winthrop Road
Chester, Connecticut 06412-0684
Phone: (860) 526-9504
Fax: (860) 526-4078
Internet: www.whelen.com
Sales e-mail: autosale@whelen.com
Canadian Sales e-mail: autocan@whelen.com
Customer Service e-mail: custserv@whelen.com

Automotive:

 Power Supplies

Safety First

This document provides all the necessary information to allow your Whelen product to be properly and safely installed.
Before beginning the installation and/or operation of your new product, the installation technician and operator must
read this manual completely. Important information is contained herein that could prevent serious injury or damage.

Proper installation of this product requires the installer to have a good understanding of automotive 
electronics, systems and procedures. 

If mounting this product requires drilling holes, the installer MUST be sure that no vehicle components or 
other vital parts could be damaged by the drilling process. Check both sides of the mounting surface 
before drilling begins. Also de-burr any holes and remove any metal shards or remnants. Install grommets 
into all wire passage holes.

If this manual states that this product may be mounted with suction cups, magnets, tape or Velcro®, clean 
the mounting surface with a 50/50 mix of isopropyl alcohol and water and dry thoroughly.

Do not install this product or route any wires in the deployment area of your air bag. Equipment mounted 
or located in the air bag deployment area will damage or reduce the effectiveness of the air bag, or 
become a projectile that could cause serious personal injury or death. Refer to your vehicle owner’s 
manual for the air bag deployment area. The User/Installer assumes full responsibility to determine proper 
mounting location, based on providing ultimate safety to all passengers inside the vehicle.

For this product to operate at optimum efficiency, a good electrical connection to chassis ground must be 
made. The recommended procedure requires the product ground wire to be connected directly to the 
NEGATIVE (-) battery post.

If this product uses a remote device to activate or control this product, make sure that this control is 
located in an area that allows both the vehicle and the control to be operated safely in any driving 
condition.

Do not attempt to activate or control this device in a hazardous driving situation.

It is recommended that these instructions be stored in a safe place and referred to when performing 
maintenance and/or reinstallation of this product.

FAILURE TO FOLLOW THESE SAFETY PRECAUTIONS AND INSTRUCTIONS COULD RESULT IN DAMAGE 
TO THE PRODUCT OR VEHICLE AND/OR SERIOUS INJURY TO YOU AND YOUR PASSENGERS!

For warranty information regarding this product, visit  

www.whelen.com/warranty

Summary of Contents for ISP188

Page 1: ...ets tape or Velcro clean the mounting surface with a 50 50 mix of isopropyl alcohol and water and dry thoroughly Do not install this product or route any wires in the deployment area of your air bag Equipment mounted or located in the air bag deployment area will damage or reduce the effectiveness of the air bag or become a projectile that could cause serious personal injury or death Refer to your...

Page 2: ...l Wire 3 2 4 6 8 Enabled SIM 2X2X4MN Mode Dip Switches The dip switch configuration for DOT188MN Mode Dip Switch 1 OFF Dip Switch 3 OFF Dip Switch 2 ON Dip Switch 8 OFF Control Wires Control Wire 1 Outlets 2 4 Enabled Control Wire 2 Outlets 6 8 Enabled Control Wire 3 Outlets 1 3 5 7 Enabled ALT 2X2X2X2 Mode Dip Switches The dip switch configuration for ALT 2X2X2X2 Mode Dip Switch 1 ON Dip Switch 3...

Page 3: ...rst III 2X TripleFlash PATTERN TYPE PATTERN WIRE Pattern Wire 1 BROWN Pattern Wire 2 WHITE Pattern Wire 3 GREY Pattern Wire 4 ORANGE V INPUT I IN 12 8V FLASHRATE JOULES HI JOULES LO OUTPUT POWER OUTPUT PER OUTLET 12 8VDC 20 22 5 WATTS TYP 180 WATTS 2 2 2 2 MIN 8 3 5 3 5 3 5 TYP 150 FPM MIN 18 AMPS TYP UNIT SPECIFICATIONS ISP188 WIRING DIAGRAM TO DESIRED LIGHTHEAD ASSEMBLY TYP 8 PLACES BLACK RED WH...

Page 4: ...Switch 1 ON Dip Switch 2 ON Dip Switch 3 ON In this configuration applying 12VDC to the control wires using customer supplied switches will have the following results 2 1 ALTERNATING FLASH 1 2 The T A pattern mode is enabled as indicated in table 2 5 4 WHEN MOUNTING UNIT KEEP REAR SIDE CLEAR OF OBSTRUCTIONS DIAGNOSTIX WHELEN 5 8 AIR FLOW 7 2 3 9 1 ISP188 PARTS LIST 01 0683125 00 ISP188 STROBE POWE...

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