88986854 Rear Left Tail Light Wiring Harness for Chevy GMC 1500 2500 3500 HD
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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.
Rear Left Tail Light Wiring Harness for Chevy GMC
This rear left tail light wiring harness, referencing OEM cross-reference 88986854, is designed for Chevy GMC 1500, 2500, and 3500 HD trucks to manage all electrical connections for the left tail light. It consolidates wiring for brake, turn, and running lights into a single, robust component that replaces worn or broken original harnesses.
Overview
This rear left tail light wiring harness is an essential replacement part for Chevy GMC 1500, 2500, and 3500 HD trucks, providing a complete wiring solution for the left rear light cluster. It is purpose-built to ensure dependable illumination and signal functionality by delivering a clean, direct connection from the vehicle's chassis wiring to the tail light assembly. This harness is critical for maintaining safety and compliance with lighting regulations on the road.
Built For Performance
- OEM-style connectors provide a secure, corrosion-resistant fit
- Protective wire loom shields against moisture and physical damage
- Gauge-specific wiring meets original electrical load requirements
- Pre-assembled design reduces installation time and error
- Factory-matched lengths for a clean and tidy installation
- Reinforced strain reliefs at connection points for long-lasting durability
Fits These Machines
- for Chevy Silverado 1500
- for GMC Sierra 1500
- for Chevy Silverado 2500 HD
- for GMC Sierra 2500 HD
- for Chevy Silverado 3500 HD
- for GMC Sierra 3500 HD
On-The-Job Use
- Restoring left tail light function on a work truck after wiring failure
- Replacing a harness damaged by road salt or moisture intrusion
- Completing a rear light assembly overhaul during a collision repair
Specs At A Glance
| Part Number(s) | 88986854 |
| Position | Rear Left |
| Compatibility | Chevy GMC 1500, 2500 HD, 3500 HD |
Good To Know
Q: Is this harness specific to the left side? A: Yes, this is a rear left tail light wiring harness, designed exclusively for the left side of the vehicle, ensuring a precise fit and correct pin configuration.
Q: Will this harness include all necessary connectors? A: The harness comes with pre-attached connectors that match the OEM tail light assembly on compatible Chevy GMC trucks. It is designed for a direct plug-and-play installation without needing additional adapters.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.