Hi folks, I could use some help with my tow wiring. I've been flat towing my 2005 Toyota Corolla for years. Recently, I was made aware of my left rear turn signal,on toad,not moho not flashing. I tri...
The short answer is yes, the diode can make a difference if it is bad. Here is a good article about wiring toads that may allow you to figure out how yours was wired and locate the problem. Toad wiring methods