weird issue with factory 4-plug trailer plug
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Junior User
Joined: Dec 2004
Posts: 61
Likes: 0
weird issue with factory 4-plug trailer plug
looks like the left hand turn signal is not giving out power out of the stock four-connector plug....but the left hand turn signal on the lights on the actual truck is working fine.....this is weird, any ideas???
I am going on a trip tomorrow and now run into this crap.....
I am going on a trip tomorrow and now run into this crap.....
New User
Joined: Jun 2005
Posts: 10
Likes: 0
Are checking the plug with a 12v tester or pluging the trailer in and get no signal at the light? I had a issue with my camper and after hours of trouble shooting it turned out to be a bad bulb socket on the camper. Good luck.
Senior User
Joined: Dec 2003
Posts: 116
Likes: 1
From: St. Cloud, FL
What model year? 03 and up have all the circuits individually fused, so the left hand turn signal circuit could have popped a fuse on ya. I popped a running light fuse on mine at a tournament, about 3am and pouring down rain hitching up. I accidentally left the lights in the truck on, when I hooked up the trailer plug I didn't get it just square and bridged the ground and brake pins with the ground pin on the trailer harness. Most of the trailer light fuses on the 03+ are in the fuse block behind the kick panel on the passenger side of the vehicle. On 02-, I believe most of them are still individually fused. Look in your owners manual and see if it lists left trailer turn light fuse. 
