high beam h4 conversion need help
high beam h4 conversion need help
I went to switch the sealed beams to the h4 unsealed beams. I noticed that the high beam connector is a 2 prong. The bulbs that I have are a 3 prong. Is there an adapter? I am lost. Any help would be great. Thanks
Supreme Member
Joined: Jun 2005
Posts: 1,800
Likes: 2
From: Bremerton, WA
Car: 1992 RS / 1989 RS
Engine: 3.1L MFI / Vortec 383 TBI
Transmission: T5 / LS-T56
Axle/Gears: 3.42 open / 3.73 Eaton posi
Re: high beam h4 conversion need help
Find an H7 bulb and you should be fine. H4 is a HI/LO beam bulb and has 2 filaments and 3 connectors (one for each filament and ground), H7 is a single filament bulb with 2 connectors. Use the H4 bulbs for the outer headlight pair and H7 for the inner pair.
Supreme Member
Joined: Jun 2005
Posts: 1,800
Likes: 2
From: Bremerton, WA
Car: 1992 RS / 1989 RS
Engine: 3.1L MFI / Vortec 383 TBI
Transmission: T5 / LS-T56
Axle/Gears: 3.42 open / 3.73 Eaton posi
Re: high beam h4 conversion need help
If you haven't done so already, you'll want to upgrade your headlight wiring harness to handle the extra current. There's a nice kit in the following link that sets you up for a pair of H4 lights and a pair of H1 (instead of H7).
Use the kit # HL28202 (straight ground)
http://www.rallylights.com/detail.aspx?ID=1247
Use the kit # HL28202 (straight ground)
http://www.rallylights.com/detail.aspx?ID=1247
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