89F150

Having trouble with the right blinker on the trailer. There is no power getting to the plug for the green wire(right indicator). All other lights are working. The wiring was originally installed on it since new. I need to check over all wiring. Just wondering if anyone new where i should look first or any hints on trying to find the problem to make it easier for me. Almost forgot to add that the indicator blinks faster than normal from time to time (wonder if thats got something to do with the problem). Thanks for any help.

JBonDSS

if it blinks fast than normal - i would suspecting an earth fault,

does the blinker flash faster on car when the trailer is not plugged in??
If so the earth problem is with the car, fix that first,

If not,
grab a test light & shove it in the trailer plug connector on the car & see if it flashes faster, - if it does the fault is in the connector. pull it apart & reseat all the wires
else it might the wiring to the light or the fittings on the light

'92BigBronco

It's normal for the lights to blink faster when hooked up to the trailer. The increased resistance of the extra turn signal bulb/bulbs being included in the circuit causes the flasher to blink faster. I carry two flashers just for that reason. One for normal driving and a slower blinking flasher for towing.

As far as the right turn signal not working, just trace the wire back until you find the problem. Since the other side flashes fine, it can't be a fuse so it has to be short in the wire or a bad connection at the back of the plug on your truck. A multimeter with a sharp probe should be all you need to find the problem. Trace the wire back, probing for voltage as you go, until you find battery voltage(with the brakes on of course). Do that, and you'll find your problem.

__________________
1992 Ford Bronco
351W
E4OD- B&M Stage 2 shift kit
Full 3" stainless Bassani Exhaust
32" BFG's/stock suspension

"No replacement for displacement."

"Our lugnuts require more torque than most Honda's produce!"

89F150

The Blinker does flash faster when the trailer is not connected. I can be driving around town, have my indicator on and it will be normal than suddenly it will speed up and sometimes if its feeling lucky will slow down again. I'll try to find if its an earthing problem.

I know it isn't the light itself on the trailer because it works alright on my other car. Ive also tried another trailer on the truck and still no right blinker. So that narrowed it down to the truck.