How do I check if my truck and trailer’s electrical system is working properly?
To ensure your truck and trailer’s electrical system is working properly, start by inspecting all wiring for wear, corrosion, or loose connections. Test your lights — brake, turn signals, and running lights — to confirm they’re functioning correctly. Use a multimeter to check voltage at the battery and trailer plug. Examine fuses and relays for any signs of burning or damage. Make sure grounding points are clean and tight to prevent short circuits. If any issues persist, visit a trusted truck and trailer shop in town for a full diagnostic to keep your rig safe and compliant on the road.
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