For 1999-2003 Transmission Wiring Harness 1000/2000 Allison 5 SPEED GM/DURAMAX
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Transmission Wiring Harness for GM/DURAMAX
This transmission wiring harness connects transmission electrical circuits for 1999-2003 for GM/DURAMAX applications using 1000/2000 Allison 5-speed transmissions.
Overview
The transmission wiring harness is a replacement electrical assembly for routing signals and power between compatible transmission components. This transmission wiring harness is listed for 1999-2003 for GM/DURAMAX applications with 1000/2000 Allison 5-speed transmissions. The transmission wiring harness supports service and repair work on the specified transmission system.
Built For Performance
- Transmission-specific wiring harness design
- Listed for 1000/2000 Allison transmissions
- Specified 5-speed transmission application
- Model-year coverage from 1999 through 2003
- Electrical connection assembly for transmission service
Fits These Machines
- for GM/DURAMAX 1999-2003 applications
- for GM/DURAMAX with Allison 1000 5-speed transmission
- for GM/DURAMAX with Allison 2000 5-speed transmission
On-The-Job Use
- Replacement of a damaged transmission wiring harness
- Transmission electrical system repair
- Harness service during transmission removal or installation
- Restoration of electrical connections on compatible applications
Specs At A Glance
| Product Type | Transmission wiring harness |
| Application Years | 1999-2003 |
| Transmission | Allison 1000/2000 5-speed |
| Application | GM/DURAMAX |
Good To Know
Q: Which transmission applications are listed for this harness? A: The title identifies Allison 1000 and 2000 5-speed transmissions. Verify the transmission specification before ordering.
Q: What is the function of a transmission wiring harness? A: It provides the electrical wiring connections used by the compatible transmission system. Exact connector and routing details should be checked against the existing harness.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.