Electrical/starting

Tiny
BOBBLAKE
  • MEMBER
  • 2004 BUICK RENDEZVOUS
  • 3.4L
  • V6
  • FWD
  • AUTOMATIC
  • 100,000 MILES
2004 buick rendezvous with apprx. 100000 miles. V6 3.4l fwd started out with a single click when key was turned sometimes started with a jump. Replaced starter with a junkyard starter then replaced the battery again which came from the junk yard which tested charged. Ok for a day or two now it's not doing anything. No chimes no lights no clicks from the starter. Looked at all the fuses pertaining to electrical system, none looked blown. Pulled a few relays wiped the pins and re-inserted. Car is on charge now and in a bit will show it's charged. Looked at transmission box from above and could see it was manually shifting so mechanical connections seem good. One thing I know could be huge part or the entire problem is the brain. Sits in a box with some of the fuses and relays and someone broke the bracket so it's hanging free. How far off base am I on the brain and what else should I look at. Thanks for any help you can give
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Friday, January 8th, 2016 AT 11:28 AM

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Tiny
HMAC300
  • EXPERT
Try resetting security system see pic
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Friday, January 8th, 2016 AT 12:07 PM

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