This is the primary cause of trailer-light problems. Symptoms include flickering, fast-blinking, dimness, intermittent operation (often when a trailer ball is used for a ground), and complete failure.

Chrysler has issued a safety recall for several popular Jeep SUVs and Ram pickup trucks due to trailer light and brake issues.

This LED lamp’s lens spreads light across 180 degrees of view, and its four diodes ensure sufficient candlepower throughout that wide angle to meet or exceed the federal regulations. The lamp is ...