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I have a 1971 F600. No rust and less than 7000 miles. My wife had to have it. Turning it into a flatbed. I have replaced every light on it with LEDs. All the running lights work great and also the emergency flashers. but no turn signals. When you hit either turn signal , left or right, you get one flash and nothing more. I replaced the flasher with an LED unit ..... now the emergency flashers or turn signals do not work. Put old flasher back in and back to the same with one blink on turn signals and Emergency flashers working. Has to be something simple.
Hints, help, anything.
Quick stab in the dark........ old blinker stats didn't care which terminals were posive or negative. The bulb(s) just needed to come on and heat up the bi metal strip to blink. The LED relays need pos to pos and neg to neg.
Check with a meter or make some jumper wires, if you have a good selection of sta-con connectors and see what happens.
Yeah, and the current draw on LED lights isn't enough to make older bimetal flasher relays work right. You say you tried an "LED unit"; might try a looking for a EL12AZ or similar (stocked at my local Autozone), and as Tim said . . . watch out for the polarity on the flasher, it makes a difference, and it wasn't well marked on mine.
It doesn't claim to work with LEDs only, but one person in the reviews said it did for him. I am running incandescents in the front, LEDs in the rear, with this flasher. It's ~$16, worth a try.
Got it to work. The other day I only had about 3 minutes to check the LED flasher out before I had to go to the station. After my shift I came back and connected every thing correctly, including the ground.
Works perfectly.
Used a Grote model LED flasher that I purchased at NAPA.
Thanks for all the help.
Scott
For future folks who stumble by later with a similar issue, can you edit your post above and add the Grote model number (rather than, or in addition to, the NAPA number)?
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