Trailer Hitch and Wiring Pre-Tow Inspection

Cost Savings

Checklist Tasks

• Inspect hitch receiver and ball mount for cracks or rust.
• Verify hitch pin and safety clip are secure and corrosion-free.
• Check trailer coupler locks and latch fully engage the hitch ball.
• Test all trailer lights with a helper for brake, turn, tail, and reverse functions.
• Examine wiring harness for frayed insulation or pinched wires.
• Clean electrical contacts with dielectric grease to prevent corrosion.
• Confirm ground wire is secure and rust-free at all connections.
• Inspect safety chains for twists, slack, and missing hooks. Cross chains under tongue.
• Check breakaway cable for fraying and verify dedicated anchor attachment.
• Test trailer brakes by manually activating controller and checking resistance.
• Measure tongue weight to achieve 10–15% of total trailer weight on hitch.
• Fix any detected issues before towing to avoid failures or legal risks.