Jump to content

2007 Silverado VortecMax electrical issue

Chevy3529

Recommended Posts

Chevy3529 New Member

Chevy3529

Posted
Posted

Hey everyone, I been trying to figure out the issue with my pick up. It has randomly shut off on me. I will park and will not crank over, I'll have to wait a minute or so to fire it back up. Door locks will cycle while driving, A/C will reset, cluster cuts in and out and illuminates all warning lights, radio resets. So far what I have done is checked all my lights & found none inop. I have replaced the bus fuse near my battery mounted on the firewall, I checked my alternator to see if I have a sudden spike or drop in voltage (I was pretty steady @ 14.4- 14.6) I have also checked all my fuses and none are out. Lately everything has been running smoothly but I have lost power to my radio. I still get lights on all the buttons but no radio. My 4wd knob is not lit. When I switch over from 2wd to 4H or 4L I get no response on my dash. I have not yet check to see if I'm actually locked up or not. Is there anyone that can point me in the right direction?

Formulabruce Enthusiast

Formulabruce

Posted
Posted

This sounds like another BCM/Ecm ground issue. Check and redo the ground (s) to firewall, Older models its on pass side of engine. take them off, check the ends and re do... Good luck

BlackZ71Silverado Senior Enthusiast

BlackZ71Silverado

Posted
Posted

This post may get more attention or answers in the proper section. This is the "HD" section of the forum. The truck in question is a 1500 series 1/2 ton pickup and should be moved into the correct forum area.

 

Either way, you definitely have some electrical gremlins and that is not an easy issue to diagnose. You should start following wires and looking for a short or bare/broken wire somewhere.

citydriver Enthusiast

citydriver

Posted
Posted

BCM ground issue

BCM ground issue

BCM ground issues

BCM ground issues

Check the grounds on the back of the right (passenger side) cylinder head. V6 or V8 same ground point for the BCM. It's a pain in the butt to get to, but I had the same problem/symptoms with my brothers '08. Only on his, the transmission was R&R'd at some point before he bought it and they pinched the wiring harness between the tranny and the block, then they cut the 10ga ground wire and put a 14ga wire on it with a butt connector that they never crimped right. Then the bolt loosened up, it took me 2 days to find the problem and fix it. Needless to say, I wasn't impressed with the shoddy workmanship.......hope this helps

davester Senior Enthusiast

davester

Posted
Posted

I found a wire to one of my clearance lights on my flatbed had been pulled out of it's protective shield, then the lead from the light just hand-twisted with that pulled out wire, then it was shoved back into the protective shield. Of course, the light failed, I unscrew the light fixture, the lead for it just pulls out of the shield, badly corroded, and now I have to cut open the shield to find the end of the wire...

 

But not surprising, I found a bunch of trim screws missing, lost all the coolant because the previous owner didn't bother pressing the hoses into their holders so one touched the fan and cut a hole in it.

Chevy3529 New Member

Chevy3529

Posted
  • Author
Posted

Right now I'm in the middle of replacing my head gaskets. Once I button it up I will begin my electrical. I appreciate all the feedback in getting.

Archived

This topic is now archived and is closed to further replies.

Go to topic listing

  • Latest Articles

  • Posts

    • Chuck FB
      2 speed transfer case optional now?

      By Chuck FB · Posted

      Yes, and also pulling heavy trailers or a large camper up steep grades as well as descending grades such as the more rustic off road camping locations and using engine braking with that low gearing as well as soft ground can just suck the power . I realize pickups these days tend to have an over all lower first gear ratio compared to automatic transmission pickups from years back so that has helped a lot in its ability in high range but there comes a point if in four wheel drive the torque runs out at the wheels, certainly with a gas engine. They don't put two speed transfer cases on pickups for a cool factor, they have a function if one needs that massive torque to the wheels that high range can't deliver. 
    • Grumpy Bear
      Grumpy Bears 2015 Silverado 2WD

      By Grumpy Bear · Posted

      Notes 7/18/2026   3,400 miles on this batch of Mobil 1 Euro 5W40 since the GDI pump replacement. Alcohol runs very clean when ring seal is tight and the sump isn't getting hosed with fuel. Checked oil level at fill up today as is my practice and grabbed a white Kleenex to look at the color. What color?  I was going to change it but.....  
    • Another JR
      2 speed transfer case optional now?

      By Another JR · Posted

      4 low is really nice on steep boat ramps. 
    • Chuck FB
      Gas Prices

      By Chuck FB · Posted

      Interesting, I suspect I would have fueled up in Lee Vining as the day prior I would have filled up either in Laughlin or near there and maybe again before I entered Death Valley and once out the other side late that evening as I kept on driving into the night up near Lee Vining. Next morning I most likely fueled up in LV before heading over Tioga Pass into ( as I refer to it as "Yose .... Mite" 😁 ). And again that was 19 years ago but the price then must not have jumped out at me like the 5 bill a gallon theme of nutty cult hippy country Big Sir or head so far up their rear Aspen. I'd be curious to know where the highest prices are in the lower 48, I probably would not be far off to guess somewhere in Cali forn ie. Coldfoot and Prudhoe bay may have those prices beat but that is a whole other world up there and when prices are more normal elsewhere that is about what they can be up there I believe in no mans land. Anyway interesting that the 395 corridor is hosing people and the thing is, its tourist season and its not like there are a lot of competition options when driving up that highway from what I could see. Yup, big ole Boaterhomes and various other RV's ahead and behind me at the Yosemite entrance gate and they have to get their fuel somewhere.  
    • Atlas
      Gas Prices

      By Atlas · Posted

      Those can be high, as well as the big California cities. The ones that will pop your eyes out are the 395 corridor on the Eastern side of the Sierra Nevadas. Lee Vining, $7.19 for regular and $8.89 for diesel is what the Google said right now.

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...