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07 Silverado won't start after install pwr win


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sgarcia1212 
Member - Posts: 40
Member spacespace
Joined: October 08, 2010
Location: California, United States
Posted: August 02, 2016 at 11:43 PM / IP Logged Link to Post Post Reply Quote sgarcia1212
Hi all,
Truck info: 07 Silverdo (new body style)
Items I just installed:
-Python remote start (Python 5206)
-Bypass module (DBALL2)
-Aftermarket power windows (SPAL 33000030)
The issue: I had originally connected the power windows to a constant +12v (60amp circuit) located behind fuse box inside truck. Once I finished installing the door panels, I moved the red wire from the power windows from the constant +12v to an accessory source so the windows will only work with accessory power. That accessory wire is the brown wire located in the green plug in the BCM. After connecting the accessory wire, I tested the windows to see if the worked and the issue starts. The windows barely moved for a second or two then stopped.
I removed the power windows red wire from the brown accessory wire in the green plug. Now the truck is having issues starting up, at times it doesn't crank or it will start but it turns off after about 2 to 3 seconds.
Please help.
Thanks in advance.
sgarcia1212
lurch228 
Silver - Posts: 1,338
Silver spacespace
Joined: August 08, 2012
Posted: August 03, 2016 at 3:41 AM / IP Logged Link to Post Post Reply Quote lurch228
Start by checking all the fuses that power the BCM. Sounds like you may have fried the BCM or the ignition switch by pulling to much current if you didn't blow any fuses. Anti theft is controlled by the BCM. If proper key data or transponder in not being seen it will shut down like that.
If the brown wire comes from the ignition switch you could have over loaded the switch and damaged it.
You should have used a relay to switch the constant +12v with the acc. wire as the relay positive trigger.
DBALL2 was proper programmed and tested.
Vehicle still started with key after DBALL2 was installed.
Did the remote start work normally prior to you connecting to the brown wire.
Try pulling battery negative for at least 30 minutes after you have made sure you didn't blow any fuses.
racerjames76 
Silver - Posts: 581
Silver spacespace
Joined: November 22, 2008
Location: Ohio, United States
Posted: August 03, 2016 at 9:55 AM / IP Logged Link to Post Post Reply Quote racerjames76

Money is on a fuse in the underhood fuse box labeled Ignition. Cant recall which one, but start looking there.

Do a google search for the GM Upfitters guide and give that a download. Shows you that the only safe accessory power source in the truck is located in the lower junction box located directly above the drivers left foot. Pull the cover off and one of the empty pins on the left side of the box is accessory power fused at 15a. TEST! THE! PIN!

You can use a standard female terminal to push onto the empty pin.

 I have used the brown ignition switch accessory wire, but remember to install a diode across the relay coil or you will be spiking a ton of voltage into the BCM.

Much easier to use the upfitter panel for accessories, and if a dealer gives ya grief you can stick the upfitters guide to their forehead to shut them up. 07 Silverado won't start after install pwr win -- posted image.

To master and control electricity is perfection. *evil laugh*
i am an idiot 
Platinum - Posts: 13,579
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: August 03, 2016 at 12:10 PM / IP Logged Link to Post Post Reply Quote i am an idiot
There is a blown 2 amp fuse in one of the fuseboxes.
sgarcia1212 
Member - Posts: 40
Member spacespace
Joined: October 08, 2010
Location: California, United States
Posted: August 03, 2016 at 11:38 PM / IP Logged Link to Post Post Reply Quote sgarcia1212
Update:
The issue has been resolved thanks to you guys 07 Silverado won't start after install pwr win -- posted image.
The problem was a blown "DLIS" 2 amp fuse located under the hood.
I have connected the power windows using a relay and getting the accessory trigger from the upfitter panel like racejames76 suggested, I DID TESTED THE PIN 07 Silverado won't start after install pwr win -- posted image.
I appreciate your help: lurch228, racejames76 and i am an idiot.
Thank you.
sgarcia1212
lurch228 
Silver - Posts: 1,338
Silver spacespace
Joined: August 08, 2012
Posted: August 04, 2016 at 1:24 AM / IP Logged Link to Post Post Reply Quote lurch228
Good to hear it was just a fuse.

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