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Showing results for tags '2500 hd'.
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Ok Members, Here is the all inclusive way to swap a GMC K2xx 1500 front bumper to a 2500 Front Bumper. This is for the Sierra only, the Silverado is/may be different. First lets start with what IS needed the part numbers if applicable. HD Grille (PN Varies ) HD Bumper assembly (PN varies) HD "headlight fillers"( GM list's them as 'Top Cap Assembly) --------LH PN 22831429 Paintable --------RH PN 22831430 Paintable HD headlight filler brackets ( GM lists them as Fascia Bracket assembly) --------LH PN 23451021 --------RH PN 23451022 ****I will also mention the Front bumper to inner Frame support brackets. I got them with my 2500 bumper when I purchased it, so I used them, and they work and fit great. Im sure but cant say for certain if the 1500 bumper for frame supports can be made to work. Once all the swap parts are acquired, then you can begin modifying the parts on the current truck The 1500 Bumper mounts have to be used. I attempted to try and use the 2500 brackets and the mounting holes are in the wrong location, as well as it makes the bumper sit way too far forward away from the truck, As for the 1500 modifications, the 3 mounting holes will need slotted so the bumper brackets can sit lower to accommodate the additional height of the new bumper. Reinstall the brackets and drop them down until they hit the frame. ***** I spaced my brackets up a bit off of the frame. I felt the gap between the headlight fillers/grille, and the bumper was too much. with a little spacing you can get the gap nice and tight***** I also used 3 additional washers behind the brackets to space the bracket away from the frame. With out the additional spacing the bumper sat too close and didn't align in the wheel well Once the frame brackets are situated, you can move onto the fascia brackets. they are a simple swap, unbolt the 1500 and swap them for the 2500 brackets Now install the headlight fillers onto the fascia brackets that were just installed. The headlight filler assembly's will also use a bolt location from the 1500 grille that the 2500 does not use. Now its time for the bumper. Install the bumper onto the frame brackets. The 1500 brackets will only allow the Upper hole closest to the grille to be used for attachment. The Bumper will fit pretty tight onto the brackets. As I said earlier I was able to use the 2500 Inner bumper to frame brackets , they were the correct length, and shape to fit around the frame Mounts The last big modification is the fender well trim. The 1500 trim is much longer as shown by the blue tape line. The trim needs cut on the bottom of the tape to align with the headlight fillers When it’s all said and done the top pic is the OEM 1500 Denali and the Bottom is the 2500 Denali Swap (yes I know the fog lights aren’t in but I was excited to take a pic)
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Hello everyone. I purchased a complete set of LED bulbs to replace all the stock bulbs for my 2012 GMC Sierra 2500 HD. In addition, I upgraded the tail lights and the head light assemblies as well to house these new bulbs. I'm very happy with the complete change-over except for the hyper flash issue I'm having with the new LED turn signals. Originally, I thought I could just replace the original flasher for an LED flasher that doesn't monitor the load on the circuit and therefore operates normally with the light-loaded LED upgrade. Turns out that the 2012 doesn't have a flasher and it's the BCM that controls the turn signal lights. From what I've researched, it appears that the BCM can be programmed to allow the use of LED's by changing the configuration of the BCM to a "cab/chassis" setup where the vehicle would accept the LED tail lights. I'm guessing that with changing everything including front turn signal bulbs to LED, the BCM reprogram to "cab/chassis" will not fix my issue because I've changed the front turn signals to LED as well. The other option I've researched is installing load resistors for every LED bulb. That seems a bit outrageous and hacking into the original wiring harness is not what I'd prefer as it makes it more susceptible to malfunction, corrosion, etc. not to mention the heat these resistors tend to give off, if installed improperly, can begin causing a whole other bundle of issues. So my question is, will the BCM reprogram resolve the hyper flash issue? Depending where you are but most dealers will charge $120 - $200 for the 3 minutes it takes to plug in but if it fixes the issue, I'd rather go that route instead of hacking my wiring harness. Thanks in advance for any help! -
From the album: 2015 2500 HD w/ BFG KO2 285/65/R20
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My First New Silverado. After 30 years of driving and 2 second hand Silverado's. I finally own a brand new one. YAY!!!!
