This replacement tail light circuit board is just what you need to get your vehicle in good working form again!


  • Fits either LH (Driver Side) or RH (Passenger Side)
  • Replaces dealer part number: 55077343
  • Direct replacement
  • Built to strict quality control standards
  • Attaches to the back of the taillight

This tail light circuit board makes a great replacement and has good cost savings over a dealer unit.

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

Bulb Note:

Unless otherwise noted, our lights do not include bulbs, though occasionally lighting manufacturers do include bulbs in the lights. If you happen to receive a lighting product (Headlight, Tail light, parking light, fog light etc.) that comes with the bulbs, the bulbs are not covered under our warranty. Our warranty applies only to the light assembly.

  1. step : Removing the Taillight Connector Plate (0:35)
    • Remove the two T25 torx screws from the side of the taillight.
    • Pull the taillight straight out.
    • Using a flat blade screwdriver push the locking tab out.
    • Disconnect the harness.
    • Remove the four screws from the connector plate.
  2. step : Replacing the Taillight Connector Plate (1:54)
    • Switch over the bulbs to the new connector plate.
    • Push the connector plate into place.
    • Replace the four screws.
    • Connect the harness. Replace the locking tab.
    • Line up the taillight and push it back into place.
    • Replace the two T25 screws.

Tools needed for replacement:

    Screwdrivers & Related

  • Flat Blade Screwdriver
  • Phillips Head Screwdriver

  • Torx Drivers & Sockets

  • T25 Torx Driver

4.7 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Dodge Light Circuit Board
Excellent price for a new part and great delivery time.
Didn't resolve all my lighting problems but helped eliminate some.
December 6, 2017
7 months ago
A great place! I give them the wrong mailing address. I called them and the guy I talked to straighter it out and I got my order in a few days. I'll use them again!
October 6, 2017
9 months ago
Circuit board
Easy to install. Fit perfectly. No problems.will continue to by parts from 1A Auto.
August 5, 2017
11 months ago
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Vehicle Fit

  • 2002-2006 Dodge Ram 1500 Truck Tail Light Circuit Board Driver or Passenger Side
  • 2003-2006 Dodge Ram 2500 Truck Tail Light Circuit Board Driver or Passenger Side
  • 2003-2006 Dodge Ram 3500 Truck Tail Light Circuit Board Driver or Passenger Side

This part replaces:

  • OE # 55077343AD
  • Dorman is DMLTL00001
  • Standard Motor Products Q46003
  • Partslink CH2817101
  • TYC 11-5701-20
  • DEPO 17-334-1906N
Part #: 1ALTL00733

How-to Video:

(03:43 min)