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Gamsche

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About Gamsche

  • Rank
    Enthusiast

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  • Location
    Baltimore, MD
  • Gender
  • Drives
    2018 Silverado 1500 Z71
  1. First, let me apologize for not taking pictures, I got in the groove and totally forgot. I'll at least get a picture of the sub on here at some point. My goal was to improve the factory (non-Bose) audio while retaining the ability to restore it to stock. I did a lot of research and this forum was invaluable, but there was no post that really tied everything together. Here's what I did: I used the green Metra harnesses (71-2107 & 70-2057) to interface to the stock radio and the other end out to the speakers. From the radio, I took the front signals and ran new wires to the 2.5" dash speakers in order to retain factory chimes/voice. I unplugged them from the factory harnesses and soldered on the new wires directly. I had originally bought some speakers (Memphis Audio PRX27) from Crutchfield that were supposed to fit there, but the holes were too close together and there was no room to widen them. I took the rear speaker signal and ran it to the back through 4 of the 9 wires in a speed-wire cable, that ran into an Audio Control LC2i active line out converter. From there I ran the signal through the amp and back up to the front using 4 more of the wires. I never had to use the 9th wire for accessory power as the GTO features on the LC2i works perfectly. The amp is an old 5-channel Alpine amp I had lying around. I mounted the amp to 4 elevator bolts JB-welded to the back wall where the Bose amp goes. I will caution you that unless your amp is extremely flat, you'll need an 18mm ratcheting wrench to get the seat nuts back on. I also ran some larger gauge speaker wire back up to the front to where the subwoofer would reside, on the hump between the front seats. The box is 15.5"x15.5"x5", and is quite snug. There are only a few 10" drivers happy with that small of a box, so I went with a PIONEER TS-SW2502S4. I used 6x9 component speakers for the front speakers (rear are no longer connected). I used the factory wires to go to the door speakers (which I mounted using Dynamat first, and then the speaker bracket from Crutchfield). I ran new wires to the tweeters from the crossovers. The crossovers fit behind the screen, one stuck beneath the factory radio, and one parallel with the screen, but just behind it. I mounted the tweeters right next to the 2.5" speakers using the mounting bracket that came with the speakers and some mounting tape. Once this was all done, you have to fade the sound all the way to the rear. This stops the factory 2.5" dash speakers from playing normal music. The chimes and voice still go through those speakers undisturbed, and most importantly, un-AMPED. One question I have for anyone who has done this. Everything is working great once I changed the tone settings on the stock head unit. But, I cannot for the life of me figure out how to change the tone settings while running Android Auto or Apple Car play. There doesn't seem to be a way to do it, and they have a separate EQ setting for each audio input. Does anyone know how this is done?
  2. Shake or Vibration Issues

    Update, just before they were about to replace the torque converter, the shop foreman took over when he found out they were going to replace it. He pulled the tires off again, and couldn't balance 3 of them. He threw them away, and put 3 new ones on. Vibe gone!
  3. Shake or Vibration Issues

    I've had my truck for a little over a month. I'm loving it (for the most part). However, my truck has had some vibration at highway speeds. I'm on vacation, and before leaving, I dropped my truck off at the dealer. It has about 1300mi on it, and I had done a test ride with the service manager a couple weeks ago. At that time he noted that on torque lockup it started up. They texted me today and say that it is going to need a new torque converter! They went to order the part and found they had one in stock. So, hopefully upon my return, it will have been replaced and the problem resolved. Crossing my fingers.
  4. Shake or Vibration Issues

    I took my truck in last week to have them check out the vibe I've experienced from literally Day 1. Mine happens in 6th gear, V4 or V8 mode doesn't matter. They road force balanced my tires...no change. I left a poor survey result and got a majorly apologetic call soon after. The service manager went on a road test with me and he felt it. He suggested it was a torque converter vibration. He said there is a TSB on it ??? and he thinks the procedure is to drain the transmission fluid, clean out the pan and refill. I've scheduled a day to drop it off, we'll see...
  5. I looked into this quite a bit as I just recently purchased a Silverado myself and am not enthused with the audio. The options are limited. The best I've seen is the AX-DSP for which you need an additional harness. It has intelligent chime control as well as good dsp features. But, it is $300 + the T-harness. There might be a few wires you need to tap into, but you shouldn't have to cut anything. Note: I'm not 100% sure that harness I linked is the correct one for this vehicle, there's another variant as well. That should get you on the right track, at least.
  6. I'm worried I'm headed down this road too. I drove several trucks on the highway at various dealerships, but the dealership I bought my truck at didn't have great access to a highway. Annoyingly on day 2 of owning the truck I hit the highway and as soon as I crossed about 62mph the shudder started. Granted it is slight, but noticeable. I took it back with about 100 miles on it. They looked at it and reproduced the issue but said GM won't let them touch tires until it gets to 500 miles. So, once I get there I'm taking it back for tire balancing which doesn't sound like it ever helps. Fun...
  7. Looks to be about $500: https://www.cjponyparts.com/kleinn-dual-train-horn-kit-220-with-130-psi-air-system-chevrolet-silverado-gmc-sierra-1500-2007-2018/p/GMTRK1/?year=2017&gclid=EAIaIQobChMIl-mCkOC63AIVjIvICh0zOglGEAQYASABEgK9U_D_BwE
  8. New Guy

    Thought I'd say hello. I did a bunch of lurking here before purchasing my new truck. I have a 2007 Tahoe that is getting up there in miles, and I've been casually looking for a new truck. I saw the GM Truck Month deals and went out and hard-balled a few local dealers. I got an offer I couldn't refuse and purchased it. I've since added nerf bars (as demanded by my 6-year old), LineX and a Tonneau cover. I've been impressed with this forum, it has been a great deal of help so far!
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