Troubleshooting Trailer Wiring that Left Blinker Stops Working When Brake Lights are On
Question:
I hooked up a wiring harness into factory plug. 1989 chevy suburban. All lights works except... When I hit the brake the left brake light wont work until I hit the left blinker then shut it off and brake light works. It will only work when I do this... any suggestions?
asked by: Jairus
0
Expert Reply:
Sounds like a weak ground on the trailer lights. Typically when there is a weak ground there will be bizarre trailer light behavior when the brake lights are activated since they draw quite a bit of amperage.
I attached a couple help articles on wiring troubleshooting for you to check out as well.
expert reply by:
Jameson C
0
Product Page this Question was Asked From
- Trailer Wiring
- Trailer Connectors
- Trailer End Connector
- 0 - 5 Feet Long
- Plug and Lead
- 4 Flat
- Draw-Tite
more information >
Continue Researching
- Article: Trailer Wiring Diagrams
- Q&A: Can You Install a 5th Wheel Hitch On a 2021 GMC Sierra 2500
- Q&A: Can 12 Volt Accessory Circuit of Trailer Wiring Keep 10 Amp Breakaway Battery Topped Off
- Q&A: 4-Way Trailer Connector that has 5 Wires
- Q&A: How to Splice in Replacement 4-Way Trailer End Connector
- Article: How to Measure for Travel Trailer and Fifth Wheel Steps
- Article: How to Measure for Trailer Hitch Drop
- Q&A: Dimensions of the Convert-A-Ball Cushioned Weight Distribution Shank # AMAC1
- Q&A: Distance from Pin Hole Center to End of Bar on Reese Weight Distribution Shank RP63971
- Q&A: Cross Reference of the TruRyde Grease Seal Part # RG06-090
- Article: Trailer Tire Sizing
- Article: Brake Controller Installation: Starting from Scratch
- Article: Towing a Trailer? Let's Talk About Brake Controllers
- Article: Troubleshooting 4 and 5-Way Wiring Installations