HEADLIGHT UPGRADE

[petervankleeck]

Gentlemen,

What do you recommend for a headlight replacement for my 90'? I don't want to make any modifications to the original wiring. I would also like to see as far down the road as possible given that parameter.

Thanks in advance.

Peter, #659

Also, many thanks to Marc Haibeck for the chip upgrade and repairing my tach and ECM.

[ram_g]

LED headlamps with the "Yun relay modification" to allow foglamp operation.

I bought these from Amazon: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
They work great but require a slight physical mod to the headlamp buckets (removal of a small sheet metal "bump").

I installed the Yun mod with a spare standard automotive relay so if I want to I can re-install the original relay and all is back to stock.

[Mystic ZR-1]

Hella Z Beams with 100/55 watt
H4 bulbs.
No screwing around with LEDs and
they'll lite up you life. 💡

[lmcptman@gmail.com]

Originally Posted by Mystic ZR-1

Hella Z Beams with 100/55 watt
H4 bulbs.
No screwing around with LEDs and
they'll lite up you life. 💡

Did you have to upgrade your harness or install relays to use 100/55

[Mystic ZR-1]

Nope, all stock relays etc.
Hasn't melted down yet.
Had them on my last 2 Vettes with
no problems.
Wouldn't try the 130/55 bulbs though...

[lmcptman@gmail.com]

Originally Posted by Mystic ZR-1

Nope, all stock relays etc.
Hasn't melted down yet.
Had them on my last 2 Vettes with
no problems.
Wouldn't try the 130/55 bulbs though...

I was thinking about going with the 100/80 but think that i would need to upgrade wiring. Going to keep it simple and use 100/55.
Thanks

[ram_g]

If you choose to use load resistors, suggest you go with a specific combination of resistor and LED lamp that has been tried by others and shown to work. My initial stab at this was to buy a set of load resistors from Amazon along with the LED headlamps, and they did NOT work. (The high beam of the LED would come on whenever I turned on the foglamps...if you study the wiring diagrams you can see how this might happen, depending on the specific voltage expected by the LED.)

So I went to the Yun relay mod as a fall-back and it worked perfectly.

[XfireZ51]

Originally Posted by ram_g

If you choose to use load resistors, suggest you go with a specific combination of resistor and LED lamp that has been tried by others and shown to work. My initial stab at this was to buy a set of load resistors from Amazon along with the LED headlamps, and they did NOT work. (The high beam of the LED would come on whenever I turned on the foglamps...if you study the wiring diagrams you can see how this might happen, depending on the specific voltage expected by the LED.)

So I went to the Yun relay mod as a fall-back and it worked perfectly.

Same here. Resistor defeats advantage of LEDs vis a vis current draw.

[ZR2]

I just did the Hella H4 bulb upgrade for my 94 and ordered multiple H4 bulbs, 55/60/, 55/80 and one more I think it was 80/100, cant remember. I installed the 55/80 bulbs and can say that even on low beam I feel like the light is sharper and on high beam definitely is better. I try not to be out much after dark......too many deer, but am very pleased with these lights. Really nice upgrade.

[ZuggZR1]

I used these on my 1990 C4 ZR1

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

You will need these as well:
https://www.superbrightleds.com/more...lbs/2179/5079/


Attached is a picture of high and low beam pics