1990 gmc jimmy side by side led headlight options

texadasquarebody · May 9, 2026

Hi everyone. Just looking for any ideas from anyone who's upgraded the factory headlights to LEDs on a 1990 gnc jimmy? It had ge h4701 in the low beam position I believe... They worked pretty good back in the day with the relay to keep both on at high beam selection. Burning out now, and I live very rural now, so any ideas would be great! TIA!

gmbellew · May 9, 2026

I run the LMC housings and diode dynamics SL2 LED in both the high beam and low beam. the low beam bucket needs to be trimmed a little bit at the 6 o'clock position. get them aimed properly and you will have plenty of light.

shovelbill80 · May 9, 2026

texadasquarebody said:
Hi everyone. Just looking for any ideas from anyone who's upgraded the factory headlights to LEDs on a 1990 gnc jimmy? It had ge h4701 in the low beam position I believe... They worked pretty good back in the day with the relay to keep both on at high beam selection. Burning out now, and I live very rural now, so any ideas would be great! TIA!

Here's a very good thread for some great information on the topic:

Why LEDs should not be run in Halogen reflectors

This forum is awash with mis-information on lighting. Rather than trying to reiterate the same points repetitively to no end, I thought it would be...

www.tacomaworld.com

I have some suggestions to get the best possible light from those tiny lamps.

gmbellew · May 9, 2026

here is a local forum thread on this topic. has some links to other threads with pictures of my setup.

https://www.gmsquarebody.com/threads/lmc-truck-150mm-headlights-for-my-1989-burb-led-bulbs.47142/#post-1003801

1990 gmc jimmy side by side led headlight options

texadasquarebody

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gmbellew

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shovelbill80

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Why LEDs should not be run in Halogen reflectors

gmbellew

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