Thought I would provide an update, I replaced the flasher and now everything works as it should. I guess I figured because some of the bulbs would flash it couldn't be the flasher, but live and learn I guess. Thanks for the suggestions though!
Yeah the previous owner definitely messed with the wiring in the engine bay, but the turn signals look factory. The side markers work. Everything works fine until I put the bulb in the front turn signals. Thanks for the link, I'll take a look!
I tried that today and the same thing happened unfortunately. What else could it be? I don't understand how with a test l8ght it can work but with the bulb in it doesn't
Hi there. New to the forum. I just bought a 85 gmc k2500. I'm going through the wiring and have most of it working. But the turn signals won't work in the front. If I remove the front turn signal bulbs, then the rear ones blink and everything is fine. But when I put the front bulbs in, it...