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2000 Chevrolet Silverado no power to scanner

Tiny
CARLOS J2
  • MEMBER
  • 2000 CHEVROLET SILVERADO
  • 4.1L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
I connect my obd scanner and get no power, where do I look
Wednesday, March 18th, 2015 AT 11:37 AM

5 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuses under hood and in car first. The n probe tlhe wire to see if it gets power on it. See if purple wire gets power or not.
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Wednesday, March 18th, 2015 AT 12:14 PM
Tiny
CARLOS J2
  • MEMBER
  • 2 POSTS
Checked fuses and they're good also took it to an independent and still no power schematic does not show any relay between battery and vim so looks like the problem is the computer itself, any thoughts about how to double check?
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Sunday, March 22nd, 2015 AT 1:20 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
You have to see if it is getting power and ground to connector then if any voltage to other places on connector. Also make sure scanner works on other cars.
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Sunday, March 22nd, 2015 AT 3:29 PM
Tiny
CARLOS J2
  • MEMBER
  • 2 POSTS
I get ground on two of the four pins on the connector and nothing on the other two also took it to autozone and theirs got same
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Monday, March 23rd, 2015 AT 10:18 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Have apro check it then because I can't give you a definitive answer without actually checking it myself.
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Monday, March 23rd, 2015 AT 12:14 PM

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