Hi problem with 1157 LED bulbs .
I install all 4 light bulbs the tail lights and front turn signal lights
the problem is all lights work with the signal lights. but when I turn the head lights the front signal lights don't work. Also the turn signal lights on my dash board both light come on

one more thing if I install the regular 1157 on the front .
the LED lights on the back work fine and the from work fine .
looks like the front don't like the LED bulbs.

I have 87 ranger cab and half or extended cab.
v6 2.9

any help will be appreciated

Raul

 

I had a similar problem with my 97 F 350. I also had automatic trans issues because the brake lights were always partially on. I did some online research and found out that I needed a externally grounded, electronic flasher. I found this flasher, EF32RLNP, online for around 14 dollars with free shipping for prime members. The flasher stopped all of the problems I had, just make sure you get a good body ground for the external wire. Hope this helps you with your problems.


Scott

 

Yep, the leds look like an open circuit to the stock flasher. Like Scott said you need to provide the ground with the special flasher.

 

I agree with the above. I recently upgraded my tail lights on the '69 Thunderbird to LEDS. I had to replace both the turn signal and emergency flashers to externally grounded flashers.

 

Thank you for you help. well today I try to replace all the front panel lights
but only one led bub work on the gages . and the speedometer light did not work. so removed one at a time with regular t10 bubs

only one t10 led work.

I don't know what wrong with this truck

 

As previous posters have noted, it's a common problem. The LED bulbs just don't draw enough current to allow the older relays to function properly because the relays weren't designed for use with LEDs.

I seem to remember that some people have installed a resistor in-line with the light to make them work. Sorry I don't have any more detail for you. It was 20 years ago I read that. Maybe it will help you find a solution.

 

Thank you for you help RedDog 99