NHTSA ID Number: 10202425
Manufacturer Communication Number: 03103213 D002EN
TSB/Document Date: 2021-10-25
Summary
Auxiliary heater may blow fuse on main dash harness.
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TSB/Document ID: 03103213 D002EN
Replacement Service Bulletin Number:
MFR Communication Date: 2016-03-07
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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Auxiliary Heater Harness
Campaign Directive
ATTENTION: THIS IS NOT A RELEASED DOCUMENT.
Customer: Cintas
Situation: Auxiliary heater may blow fuse on main dash harness
Corrective Action Summary: Replace heater switch and route new
power harness with inline fuse from battery
Range of Units Affected: 2015 Aeromaster on the Ford
F59 chassis
equipped with auxiliary cab heaters manufactured after January 1, 2016.
Contact Utilimaster Warranty Department to verify chassis VIN.
Authorized to Perform the Work:
√
√
Customer or customer contractor
Utilimaster or Utilimaster contractor
2016 Utilimaster®
Aux_Heater_Wiring_CD-A.docx
3/7/2016
Page 1 of 8
PSR-100173
Auxiliary Heater Harness
Campaign Directive
ATTENTION: THIS IS NOT A RELEASED DOCUMENT.
Parts Required:
KIT 23003824SK-Auxiliary Heater Harness Kit
Part Number
16303502
16511375-20000
16511367-20250
16511367-64250
16511375-64000
16511375-28000
11300177
16514677
16516418-1D1G66
16516417-G2008
16512443-64312
16516872-00750
16303200
16510019
16605701
16514575-00150
16512651
03104479
03103213-D002EN
Description
WIRE SXL CRS/LNK POLY WHT 16GA
CONN BUTT H/S
TERMINAL FEMALE SPADE
TERMINAL FEMALE SPADE .
CONN BUTT H/S 16-14
CONN BUTT H/S 22-18
SCREW STP PNH TX 1/4-20 x .75 ZN
RELAY 12V 60A
SW BODY CARLING 0N/OFF
ACTR SW CARLING GRN "AUX HTR"
TERMINL RING H/S INSULATE
BUSHING SNAP .750
RED 10 GA WIRE
3/8” SPLIT LOOM
STRAP WIRE TIE BLK 15.35''
15A FUSE
FUSE HOLDER
DECAL SERVICED JOB CODE
AUX HEATER HARNESS BULLETIN
Qty
2 ft
2
1
3
2
2
2
1
1
1
2
1
19 ft
19 ft
10
1
1
1
1
Tools Required:
•
•
•
•
•
•
Standard combination and ratchet wrench sets
Phillips and standard screw driver sets
Drill with F-bit (or1/4"), 7/32", and 3/4" bits
Sta-Kon terminal crimping tool or equivalent
Deburring tool or file
Heat gun
2016 Utilimaster®
Aux_Heater_Wiring_CD-A.docx
3/7/2016
Page 2 of 8
PSR-100173
Auxiliary Heater Harness
Campaign Directive
ATTENTION: THIS IS NOT A RELEASED DOCUMENT.
Wiring Overview
Heater harness wiring overview
2016 Utilimaster®
Aux_Heater_Wiring_CD-A.docx
3/7/2016
Page 3 of 8
PSR-100173
Auxiliary Heater Harness
Campaign Directive
ATTENTION: THIS IS NOT A RELEASED DOCUMENT.
Procedure
1. Disconnect the Negative (-) battery cable(s).
2. Use an F-bit to drill a pilot hole in the LH cowl.
3. Use a 3/4" bit to enlarge hole.
Hole for battery power harness
4. Feed the heater power supply harness through cowl riser, apply sealant to harness
bushing and secure.
5. Route power harness along the cowl harness, RH chassis harness and frame rail to
the battery box.
Power harness secured to cowl harness to frame rail
2016 Utilimaster®
Aux_Heater_Wiring_CD-A.docx
3/7/2016
Page 4 of 8
PSR-100173
Auxiliary Heater Harness
Campaign Directive
ATTENTION: THIS IS NOT A RELEASED DOCUMENT.
Keep all fasteners for installation.
6. Remove (6) screws from the dash hood and set aside.
Dash hood
7. Disconnect the auxiliary heater control switch and discard.
Auxiliary heater switch
2016 Utilimaster®
Aux_Heater_Wiring_CD-A.docx
3/7/2016
Page 5 of 8
PSR-100173
Auxiliary Heater Harness
Campaign Directive
ATTENTION: THIS IS NOT A RELEASED DOCUMENT.
8. Drill a 7/32" hole in the dash bracket.
9. Cut and strip Ground wire and crimp a ring terminal and terminal connector to
each end.
10. Secure the WHITE Ground wire ring terminal to the cowl with a 1/4-20 fastener.
11. Cut, strip and crimp a terminal connector to the RED battery harness.
12. Cut the DARK BLUE switch wire. Strip wires and crimp terminal connectors to
both ends.
13. Connect RED Battery harness, both DARK BLUE heater power switch and
Ground terminals to relay.
Switch wiring
2016 Utilimaster®
Aux_Heater_Wiring_CD-A.docx
3/7/2016
Page 6 of 8
PSR-100173
Auxiliary Heater Harness
Campaign Directive
ATTENTION: THIS IS NOT A RELEASED DOCUMENT.
14. Insert replacement switch in dash and connect harness.
Switch (top shown) and dash opening
15. Install inline fuse at battery box.
16. Connect to Positive (+) battery terminal.
17. Connect the Negative (-) battery cable(s).
Inline fuse on heater power harness
Secure wire harnesses a maximum of every 18".
All wire harnesses need to be free and clear from the range of motion of any moving
part and MUST be prevented from falling into the range of motion of a moving part.
18. Test system operation.
19. Secure all harnesses with wire ties to the LH chassis harness, cross member and
frame rails.
20. Install dash.
2016 Utilimaster®
Aux_Heater_Wiring_CD-A.docx
3/7/2016
Page 7 of 8
PSR-100173
Auxiliary Heater Harness
Campaign Directive
ATTENTION: THIS IS NOT A RELEASED DOCUMENT.
21. Use Job Code 13-N3-91-Z4 from this document to complete the SERVICED
decal.
22. Adhere the decal to the upper right-hand corner of the driver’s door pocket panel
next to the bulkhead wall. Do NOT cover any previously applied decals.
Service decal on driver’s door pocket (cargo side)
NOTE: In order to be reimbursed for labor, the repair MUST be completed and
warranty claim filed within 1 year from the initial date of this publication.
File Warranty By: April 11, 2017
Contact Utilimaster to Order Parts and File Warranty.
Email: Warranty@Utilimaster.com
Mail or Express Service:
Utilimaster
Attn: Warranty Dept.
603 Earthway Blvd.
Bristol, IN 46507-9182, USA
Phone: 574-848-2000
Fax:
574-848-2809
Labor Allowance: Up to 0.75 hours
Job Op Code: 13-N3-91-Z4
Document Part Number: 03103213-D002EN
Revision: A
This material is confidential and the property of Utilimaster. No part of this document may be photocopied,
reproduced, or translated to another language without the prior written consent of Utilimaster.
Utilimaster® is a registered trademark of Spartan Motors USA, Inc. Utilimaster attempts to provide
information that is accurate, complete, and useful. All information contained in this document is based on
the latest product information available at the time of publication. However, because of the Utilimaster
policy of continual product improvement, Utilimaster reserves the right to amend the information in this
document at any time without prior notice.
2016 Utilimaster®
Aux_Heater_Wiring_CD-A.docx
3/7/2016
Page 8 of 8
PSR-100173
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