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10-07-2007, 07:41 PM
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Join Date: Feb 2005
Location: Westwwod, CA.
Posts: 2,501
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Question About Rear Bumper Lights
With a good deal of help from Hucky (thanks, Guy) my rear bumper lights are ready to physically install. They have bulbs with 2 filaments, a bright one and a dimmer one. I assume that the dimmer one is for use as a park lamp. Could anyone with an '05 or better please let me know if the brighter one is for brake, turn or both and does this apply with park lamps (or headlights?) on AND off? I am trying to figure out the wiring and fear I may need diodes and relays to accomplish the factory functions. Thank you!
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10-08-2007, 12:51 AM
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Hummer Veteran
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Join Date: Jul 2003
Location: Illinois
Posts: 75
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Re: Question About Rear Bumper Lights
The rear bumper lights serve a dual purpose. They are running / tail lights and also serve as brake / turn signal lights.
I'd say you'd be able to tap into the factory harness above and be all set.
I think these were a good add on GM / Hummer's part as I often see people riding up close behind and it gives them a brake light at eye level for smaller cars.
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 2008 H2 Graystone Metallic
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10-08-2007, 01:05 AM
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Hummer Guru
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Join Date: Jan 2004
Posts: 7,060
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Re: Question About Rear Bumper Lights
R U putting back up lights in? Or are you converting to the newer style rear bumper lights?
Maybe a link as to what light you purchased could "shed a little light" as to what you are trying to acomplish.
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10-08-2007, 01:40 AM
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Hummer Professional
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Join Date: Aug 2007
Posts: 324
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Re: Question About Rear Bumper Lights
Hes converting newer style lights into the end caps of the bumper just like the new models have. Using OEM Parts from Hummer
The Light sockets have 3 leads (wires) coming out of them.
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10-08-2007, 02:36 AM
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Hummer Guru
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Re: Question About Rear Bumper Lights
I'll see if I can get some pics of where the wires go to on my 07 if that would help. Would it?
I can tell you that those lights to act as running, stop, and turn.
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10-08-2007, 07:20 AM
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Join Date: Feb 2005
Location: Westwwod, CA.
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Re: Question About Rear Bumper Lights
Quote:
Originally Posted by timgco
I'll see if I can get some pics of where the wires go to on my 07 if that would help. Would it?
I can tell you that those lights to act as running, stop, and turn.
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Yes, Tim, that would help immensely. I can tap into my existing park lights for the park lamp (lo) function, no problem there. I am trying to figure out how to wire the turn and brake (hi) without backfeeding into the existing tail lamps. I have the amber turn signals on the tri-lights, so turn and brake are separate wires. I am concerned about hooking them both up to the new lamp as this would cause all the turn signals to light up when I put on the brakes and vice-versa. The bumper lights have 3 leads. +Hi, +lo & -ground. Thanks, in advance, for any and all help.
Last edited by tower : 10-08-2007 at 07:28 AM.
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10-08-2007, 07:28 AM
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Banned
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Join Date: Feb 2005
Location: Westwwod, CA.
Posts: 2,501
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Re: Question About Rear Bumper Lights
Quote:
Originally Posted by timgco
R U putting back up lights in? Or are you converting to the newer style rear bumper lights?
Maybe a link as to what light you purchased could "shed a little light" as to what you are trying to acomplish.
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10-08-2007, 09:45 PM
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Banned
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Join Date: Feb 2005
Location: Westwwod, CA.
Posts: 2,501
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Re: Question About Rear Bumper Lights
I may have figured it out. I think if I don't connect a ground, it might work. If I connect one lead of the HI to the flashers and the other to the brake, it can pull ground through the non-working filaments. I will test and post. I wish I could say that I came up with this notion on my own, but I was inspired by something I read from Daniel stern. I was thinking about tapping into the marker lights, when I came upon this:
LINK
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10-08-2007, 11:01 PM
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Hummer Professional
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Join Date: Aug 2007
Posts: 324
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Re: Question About Rear Bumper Lights
Hurry up and figure it out, Lets get this bitch sent home
Whenever your ready
Huck
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