03103213-D002EN
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.
Parts Required:
KIT 23003824SK-Auxiliary Heater Harness Kit
| Part Number | Description | Qty |
| 16303502 | WIRE SXL CRS/LNK POLY WHT 16GA | 2 ft |
| 16511375-20000 | CONN BUTT H/S | 2 |
| 16511367-20250 | TERMINAL FEMALE SPADE | 1 |
| 16511367-64250 | TERMINAL FEMALE SPADE | 3 |
| 16511375-64000 | CONN BUTT H/S 16-14 | 2 |
| 16511375-28000 | CONN BUTT H/S 22-18 | 2 |
| 11300177 | SCREW STP PNH TX 1/4-20 x .75 ZN | 2 |
| 16514677 | RELAY 12V 60A | 1 |
| 16516418-1D1G66 | SW BODY CARLING 0N/OFF | 1 |
| 16516417-G2008 | ACTR SW CARLING GRN “AUX HTR” | 1 |
| 16512443-64312 | TERMINL RING H/S INSULATE | 2 |
| 16516872-00750 | BUSHING SNAP .750 | 1 |
| 16303200 | RED 10 GA WIRE | 19 ft |
| 16510019 | 3/8” SPLIT LOOM | 19 ft |
| 16605701 | STRAP WIRE TIE BLK 15.35” | 10 |
| 16514575-00150 | 15A FUSE | 1 |
| 16512651 | FUSE HOLDER | 1 |
| 03104479 | DECAL SERVICED JOB CODE | 1 |
| 03103213-D002EN | AUX HEATER HARNESS BULLETIN | 1 |
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API
- User Manual available for download under Product Information Details
- Waterproof construction & heavy duty 12AWG wires for the main contact.
- Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay.
- 12VDC (14V Max) and 40A/30A High Switching Capability.
- Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API
Last update on 2026-06-18 / Affiliate links / Images from Amazon Product Advertising API
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