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  1. T

    No start but have power/ Tahoe running and then gages drop

    Welp the guy that was gonna come look at it say he will not look at it until it’s 100% dead in the water, which understand because it’s a intermittent issue that’s gonna need a lot of time, so I’m kinda at a stand still.. I checked more wires and they all look good with no problem, I would think...
  2. T

    No start but have power/ Tahoe running and then gages drop

    Is there a wire diagram that can tell me what wires are which??? Sent from my iPhone using Tapatalk
  3. T

    No start but have power/ Tahoe running and then gages drop

    I’ve already replaced the mega amp fuse it came with the wire that goes to the starter Sent from my iPhone using Tapatalk
  4. T

    No start but have power/ Tahoe running and then gages drop

    I don’t everything is factory, I was just under the dash yesterday and for sure nothing aftermarket Sent from my iPhone using Tapatalk
  5. T

    No start but have power/ Tahoe running and then gages drop

    I’ll have too lol when I’m on lunch, I started thinking the same when some of the codes on identifix said BCM maybe I just need to spend the little extra to get it from the dealership if I remember my shop price was like 215? I also thought about putting the old on back in and seeing if and what...
  6. T

    No start but have power/ Tahoe running and then gages drop

    P0700 TCM says replace ECM U0155 lost com w gateway/ instrument cluster says Replace BCM U0170 PPS sensor a B1395 B1529 B2652 BCM or fuse block B3600 B3922 All of those B CODES for some reason are air control related This one caught my attention U0164 Data line wire// states the problem I’m...
  7. T

    No start but have power/ Tahoe running and then gages drop

    Ok so I have a whole list of codes, they are completely different codes I had last week, today I went and moved all the wires around and I could get it to do anything, I haven’t seen any wires that are cut or rubbing on metal, I couldn’t get it to do anything. 3 of the codes say to replace the...
  8. T

    No start but have power/ Tahoe running and then gages drop

    I’ll have to see if my store has them and pick them up thanks for the share! Sent from my iPhone using Tapatalk
  9. T

    No start but have power/ Tahoe running and then gages drop

    I have a snap on solstice scanner at work, can see a lot of information on that bad boy, I’m going to go mess with it here in a few and just see if and what the deal is, I know last time it did this it was the same codes from way back in may, now I seen that after replacing certain parts you are...
  10. T

    No start but have power/ Tahoe running and then gages drop

    The date on the battery if I remember right was from 16?? I’ve check it 3 times now and the voltage is good, I’ve even taken a battery out of a 2008 GMC Sierra and it was good for a day and then had the same problem that battery was less than a year old..i was gonna check for codes but i spent...
  11. T

    No start but have power/ Tahoe running and then gages drop

    Thats the only cable I haven’t replaced yet, this morning I had a chance to cut the old cable that went to the starter to see if there was any problem with it and it was clean and no corrosion.. I even added grounds from the firewall to the battery and from the firewall to the front of the...
  12. T

    No start but have power/ Tahoe running and then gages drop

    Welp after having it “fixed” for four days, today it started doing the whole thing where it was “dead” again I thought the problem was the negative cable came loose so I tightened it down more with a different bolt and it worked again, I went out to leave work and same deal acting like it was...
  13. T

    No start but have power/ Tahoe running and then gages drop

    So I put that cable on, cleaned all the connections and fuse box again, the positive cable definitely is more snug than the old one, I’ll see what that’ll do Sent from my iPhone using Tapatalk
  14. T

    No start but have power/ Tahoe running and then gages drop

    I’ve already done that its all clean and no corrosion, with dielectric grease, i believe it’s something do do with the wires because I can move the box and everything will cut out and stall completely, I’ll probably mess with it later. Sent from my iPhone using Tapatalk
  15. T

    No start but have power/ Tahoe running and then gages drop

    I will put that cable on tomorrow or Wednesday, I also started to wiggle the fuse box around because there was no power and when I did that I got power back and started it up, so I took out the plastic case that holds it down so i can flip it over and move wires around, I have got any where yet...
  16. T

    No start but have power/ Tahoe running and then gages drop

    Yes kinda looks like that but I don’t know about the black plastic looking thing on the very end I’ll look when I get to work and see if it’ll let me post a picture Sent from my iPhone using Tapatalk
  17. T

    No start but have power/ Tahoe running and then gages drop

    Mines the same way but the 175 mega fuse is right on top of the battery basically, the cable I bought was the main line that has were the fuse goes and has the spots where the fuse box line hooks in along with the alternator and then the cable that on the connector that’s connects to the battery...
  18. T

    No start but have power/ Tahoe running and then gages drop

    I replaced just the negative for now as well add grounds from the battery to the body and to the frame,I did it my self at my work on the lift, I do most of the work my self so I don’t have to cough up lost of moneys lol, I load tested it as well and it tested good. I have a new positive cable...
  19. T

    No start but have power/ Tahoe running and then gages drop

    This is a picture of when all the gages dropped to 0 and stayed lost all power but motor was still running and had no power to more even with foot to the floor
  20. T

    No start but have power/ Tahoe running and then gages drop

    I replaced the whole cable and added 3 more grounds on Tuesday and today while I was with family two hours from home it has the same problem, this time my speedometer started going up and down, then the A/C got hot, all the dash lights would come on and then all the gages expected the battery...
  21. T

    No start but have power/ Tahoe running and then gages drop

    So I guess I spoke too soon it’s been almost 3 weeks with out a problem and tonight I was sitting at the gas station and all the gages dead lined had abs and trac light on my girlfriend said that the ac got hot and then the lights came on, luckily I still had a 10mm wrench in the center...
  22. T

    No start but have power/ Tahoe running and then gages drop

    Sorry it took me so long to get back, I have have a communication lost problem, I went and replaced the body control module because i was having codes related to the BCM... so far it’s been pretty good! It’s been about two weeks now Sent from my iPhone using Tapatalk
  23. T

    No start but have power/ Tahoe running and then gages drop

    I only replaced the negative end like where it goes to the battery, haven’t don’t positive because haven’t had a chance to raise up on the lift to get to the starter Sent from my iPhone using Tapatalk
  24. T

    No start but have power/ Tahoe running and then gages drop

    I replace just the cable end, I bought new cables from the dealer, I figured if I could replace just the end and save $70 for a cable I would, I have the positive cable sitting on the tool box at work I haven’t had time to raise it up to replace, some people are saying to add a ground from the...
  25. T

    No start but have power/ Tahoe running and then gages drop

    What’s weird though, it did it one time while driving? Then the speedometer going crazy as well as traction and stability lights? I have appointment for Wednesday at the auto electrician shop.. Sent from my iPhone using Tapatalk

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