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Old 02-02-2006, 12:22 AM   #1
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Join Date: May 2002
Location: Olathe, Kansas
Posts: 4,038
Default OBD2 port wiring diagram

Anybody have some info on what wires are what right at the OBD2 port? Trying to set something up and I cant find any info.
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Old 02-02-2006, 05:31 PM   #2
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as per alldata for a 99 1500:
1. not used
2. serial data link class 2 purple
3. not used
4. ground black
5. ecm ground black/white
6. not used
7. not used
8. not used
9. serial data signal UART tan
10. not used
11. not used
12. not used
13. not used
14. diagnostic signal E&C dark green
15. not used
16. fused battery feed orange
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http://i14.photobucket.com/albums/a3...0/MVC-001S.jpg 1986 olds cutlass 4 dr. 6.0L, truck intake, hot cam, th-350, modified truck harness, custom exhaust. GONE!!
99 silverado ecsb Z71, LQ9, extrude honed manifolds, custom 3" true duals, dynatech cats, magnaflow "x", Pro-Flo 2505 muffler, hot cam, 8.1 injectors, vararam, hp tuners, 160* stat, 02' pcm, transgo, vette servo, ls1 fans, "poor man's" 1/2" drop.

Last edited by 5.3 racer; 02-04-2006 at 07:34 AM.
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Old 02-02-2006, 06:13 PM   #3
Trader Rating: 1
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Join Date: May 2002
Location: Olathe, Kansas
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Default

Quote:
Originally Posted by 5.3 racer
as per alldata for a 99 1500:
1. not used
2. serial data link class 2
3. not used
4. ground
5. ecm ground
6. not used
7. not used
8. not used
9. serial data signal UART
10. not used
11. not used
12. not used
13. not used
14. diagnostic signal E&C
15. not used
16. fused battery feed

Thank you much!! Possibly any colors? I need to get ahold of AllData.
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Last edited by 99Silver6.0; 02-02-2006 at 06:44 PM.
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Old 02-04-2006, 07:34 AM   #4
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Join Date: Jul 2004
Location: sw. pa.
Posts: 322
Default

added colors to previous post..
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http://i14.photobucket.com/albums/a3...0/MVC-001S.jpg 1986 olds cutlass 4 dr. 6.0L, truck intake, hot cam, th-350, modified truck harness, custom exhaust. GONE!!
99 silverado ecsb Z71, LQ9, extrude honed manifolds, custom 3" true duals, dynatech cats, magnaflow "x", Pro-Flo 2505 muffler, hot cam, 8.1 injectors, vararam, hp tuners, 160* stat, 02' pcm, transgo, vette servo, ls1 fans, "poor man's" 1/2" drop.
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Old 02-04-2006, 07:34 AM
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