I done gone and did it...HIDs for a 2004 Sierra

Draenor

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Yes, I took the plunge. I been getting off work later and later, using my lights more and more. I wanted to see what all the hoopla is about and wanted better lighting. I purchased some HIDs from DDM Tuning, based off word of mouth on this site. I ordered the lows and fogs in 4500K @35W and the highs in5000K @55W, trying to keep the same color. I did not want any blue, red, green, purple, etc. lights. So….let the write up begin.
Well….Before we begin, the GMC headlights operate on reversed polarity. At first, I wanted to test them to see if they worked before I got too far into this. All worked but 2 ballast. I got a little perturbed about this, as I heard good things about this company. In my troubleshooting, I grabbed the same one, which didn’t work before and now worked, but another functional one which now didn’t work. While playing around with them I noticed I can attach the wiring in two directions. Wa-la….all working and then this was later verified on DDM website.

The goods….
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First remove the top cover. Use a screwdriver or pliers being careful not to break the push pins. I did have a tool for these, but I must of lost it in the ex snafu.
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Next, pull the headlight rods and unclip the bulb connectors.
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Then the marker/signal light housings.
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Then the grill unclips from the support and fenders. Be careful not to crack the plastic or break the clips. A little prying with a screwdriver helps.
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Using a screwdriver to pry the clips.
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The two clips are hidden on the fender in the wheel well…and some dirt.
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All out the way..
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The hardest part is that there are no instructions, no markings on the boxes of what bulbs. The bulbs do have a small imprint on the front of the connectors indicating the type. Since I am using 9005/9006/H3 bulbs, it was easy to figure out where they go. I know they are all pretty much the same bulb. Now if you are using the same type with different temperatures, I guess its trial and error. Next difficult part was where to put the ballast and the wiring would still fit. These came with some sort of extra harness, which I removed and used as wiring extensions. I put them on part of the air dam behind the grill. This should still give me room for an intercooler :naughty: and a Tru-cool 40K cooler. Still was and will be a PITA when the headlights need to be removed. There is little cable length from the ballast to the bulbs. I wasn’t about to mess with these plus it voids the warranty.

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Before
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After
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I got bored and did the all high mod. This is for a 04 to an 07. Maybe the 03, the 99 to 02 are wired different and this will not work.
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I used part number 1N4004 1 Amp diodes. I solder them all together as well as solder on some wire extensions to make it easier to wrap the pins and route the diodes. I also heat shrinked and taped up what I could.

Go from the #85 pin of the high relay to the #85 pins of the lows, fogs, and DRLs relays. The cathode or the side with the strip points towards the high relays.

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Overall, not impressed. Unless all the bulbs sent are the same temperature, they all look the same. All have a blue tint which is not what I wanted. I haven't done much night road testing yet. So far for brightness, I'm on the wall with it. I can barely tell the difference unless I am all on. :dunno:
 

gmctrucks

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Re: I done gone and did it...HIDs for a 04 Sierra

Nice job they came out great and it sure is a good write up.

Where did you buy the kit?
 

Zembonez

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Re: I done gone and did it...HIDs for a 04 Sierra

Pretty damn cool! I bet they would be even better in some clear aftermarket housings!
 

buRRp

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Re: I done gone and did it...HIDs for a 04 Sierra

Very nice. :thumbs: Should be able to see everything now.
 

Draenor

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Re: I done gone and did it...HIDs for a 04 Sierra

Pretty damn cool! I bet they would be even better in some clear aftermarket housings!
I probably need them. I am dissapointed so far. I still need to check the glare on these things. I dont ant to be one of them f'tards blinding everyone.
 

thunderstruck

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Re: I done gone and did it...HIDs for a 04 Sierra

Is DDM Tuning's shipping still slow as hell or have they gotten better?
 

thunderstruck

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Re: I done gone and did it...HIDs for a 04 Sierra

Yeah, I guess that not too bad if they are drop shipping. I've had to wait 2-3 weeks for stuff from DDM Tuning before.
 

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