C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

H4 Headlight Conversion for a C4, part #?

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Old May 9, 2002 | 08:37 PM
  #21  
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Yes, going to the 50 watt foglight in the 84-90 requires upgrading your TAILLAMP fuse. I have been running that setup for over two years without a problem now.

One interesting thing is that I know some C4s do not let you turn your foglights on without the headlights on. Mine might of been rewired, I do not know. For example an 84 I drove wouldn't let me turn them on without the headligts on.
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Old May 9, 2002 | 09:36 PM
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Default Re: (scorp508)

....I know some C4s do not let you turn your foglights on without the headlights on....
I can run the foglights w/o the headlights on the '94.
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Old May 10, 2002 | 12:39 AM
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Default Re: (Alchemist)

Do you guys mean headlights or parking lights? I can use my foglights with just the parking lights on.
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Old May 10, 2002 | 12:43 AM
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Default Re: (scorp508)

For example an 84 I drove wouldn't let me turn them on without the headligts on.
That is easily rectified with the rerouting of one wire
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Old May 10, 2002 | 12:54 AM
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Default Re: H4 Headlight Conversion for a C4, part #? (TIMSPEED)

I think i paid $50 for mine. Worth every penny. :yesnod:
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Old May 10, 2002 | 05:29 AM
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Default Re: (JonM)

That is easily rectified with the rerouting of one wire
I have a Cut wire on the left side of my car(1987) under the left headlight motor. I have always assumed that was the foglight bypass.

Fortunately for us, Cheby made it easy to bypass that design. On Chevy trucks, the entire harness is nicely bundled, except for one green wire, guess which wire you cut so you can have the brights and fogs on at the same time? Yep, the green wire.

Sometimes Cheby really makes me happy. :)


[Modified by NoWorries, 2:30 AM 5/10/2002]
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Old May 10, 2002 | 08:45 AM
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Default Re: (NoWorries)

Actually, it’s the yellow wire coming off the main light switch. I just cut that and ran it to a power on with key. Now the fog lights work with just the fog switch.
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Old May 10, 2002 | 01:36 PM
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Default Re: (scorp508)

scorp , i like those bright fog lights, so what are the bulbs i need , brand name if any, and change the fuse to 15 amps is that all correct , thanks Guy :cool:
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Old May 10, 2002 | 01:38 PM
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scorp , i like those bright fog lights, so what are the bulbs i need , brand name if any, and change the fuse to 15 amps is that all correct , thanks Guy :cool:
They are 885 bulbs that you can pickup at any local pepboys or autozone. :) And you got it, upgrade the fuse from a 10 to 15. The stock wiring can handle it, it won't go up in flames.
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Old May 10, 2002 | 03:40 PM
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Default Re: (scorp508)

Didn't you try some Xenon 885's scorp, or something like that, and they burned up after 1 night of use?
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Old May 10, 2002 | 03:48 PM
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Default Re: (TIMSPEED)

Didn't you try some Xenon 885's scorp, or something like that, and they burned up after 1 night of use?
Yeah, pieces of crap. They were actually something like 893 that is the same plug & wattage. I wish APC would make a matching 885 bulb to go with my headlights.
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Old May 10, 2002 | 04:15 PM
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Default Re: (scorp508)


They are 885 bulbs that you can pickup at any local pepboys or autozone. :) And you got it, upgrade the fuse from a 10 to 15. The stock wiring can handle it, it won't go up in flames.[/QUOTE]

Scorp, do I have to change the taillamp fuse from 10 to 15 on 96 also???
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Old May 10, 2002 | 04:17 PM
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Default Re: (black96coupe)

Scorp, do I have to change the taillamp fuse from 10 to 15 on 96 also???
91-96 cars are completely different. I forget what bulbs you need.
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Old May 10, 2002 | 04:23 PM
  #34  
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Default Re: (scorp508)

Good thing I asked... anyone know the number??
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Old May 10, 2002 | 04:44 PM
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Default Re: H4 Headlight Conversion for a C4, part #? (Kevin McGrade)

What is involved in that? Did you just buy two entire housings for $24?? I am totally ignorant when it comes to the lighting. I do want to get away from the crappy stock look though :yesnod:
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Old May 10, 2002 | 06:20 PM
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Default Re: (scorp508)

scorp will the 855 bulb be ok in a 90 vette vert. this is cool thanks again :cheers:
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Old May 10, 2002 | 06:36 PM
  #37  
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scorp will the 855 bulb be ok in a 90 vette vert. this is cool thanks again :cheers:
As long as you've got the early C4 nose (which 90 does) you are good to go.
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Old May 10, 2002 | 07:26 PM
  #38  
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Scorp, do you just drive arond with your fog lights on at night? I noticed some pictures of your car at night at the track, and at the gas station had only the fogs on...seems like if you get bright enough lights it shouldn't be a problem. Just asking...
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Old May 11, 2002 | 12:42 AM
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Scorp, do you just drive arond with your fog lights on at night? I noticed some pictures of your car at night at the track, and at the gas station had only the fogs on...seems like if you get bright enough lights it shouldn't be a problem. Just asking...
Nope, I always have the real headlights on. If I'm in just a parking lot of at the track I only run the foglights. The 50W fogs are an improvement, but I certainly would NOT suggest driving with just them. No matter how bright of a bulb you got to work in there, the diffuser pattern for the fogs spreads the light out and low, you don't really get any solidly focused light.
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Old May 11, 2002 | 09:33 AM
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Default Re: (scorp508)

scorp, i got under the car last night , where do i start? how do you get to the fog lights for replacement, i really want to do this , all your help and knowledge is much appreciated, TIA Guy :confused: but i do know the bulb will go on a 90 for sure, thanks again :cheers:
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