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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Electrical question

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Old Sep 9, 2018 | 8:11 PM
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I recently swapped 350's, same year. Everything went together seamlessly, except one thing. There's a white wire with a black stripe under the air filter housing, oassenger side, and only reaching to the alternator/smog pump area. I used a wire to touch it to the engine and it blew the key-switch-on fuse. What does it go to? Or at least what is it for? I can't find it anywhere in the Chilton's manual I have.

Thanks for your help!
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Old Sep 10, 2018 | 6:59 PM
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Originally Posted by 19Mater86
I recently swapped 350's, same year. Everything went together seamlessly, except one thing. There's a white wire with a black stripe under the air filter housing, oassenger side, and only reaching to the alternator/smog pump area. I used a wire to touch it to the engine and it blew the key-switch-on fuse. What does it go to? Or at least what is it for? I can't find it anywhere in the Chilton's manual I have.

Thanks for your help!
Might be for an under-the-hood lighting bulb.

Can it reach as far as the AC Compressor?

Last edited by oilcanhenry; Sep 10, 2018 at 7:02 PM.
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Old Sep 10, 2018 | 7:13 PM
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Electric choke?
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Old Sep 13, 2018 | 10:32 AM
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It can reach as far as the alternator. Comes out of the wire harness for the smog pump and alternator. Have the electric choke wire (also from the harness) connected.
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Old Sep 13, 2018 | 2:58 PM
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What type of end is on it?and was it in use before?shiny spot on connector?
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Old Sep 13, 2018 | 3:43 PM
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Looked in old book,those years had a bunch of stuff on them,found no white wire/b,but there was a idle stop solenoid
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Old Sep 13, 2018 | 3:48 PM
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It's not impossible for a generic wiring harness that that connector dosn't go anywhere on you vehicle.
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Old Sep 13, 2018 | 3:51 PM
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It's a female disconnect end. It was not in use before. The old engine was modified greatly due to someone not liking the fact that it had emissions stuff on it. Where was the idle stop solenoid located?
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Old Sep 13, 2018 | 5:13 PM
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It showed it as mounted in front of throttle lever where cable attached,what for?couldn't find,extra part,lol
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Old Sep 13, 2018 | 6:05 PM
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Originally Posted by 19Mater86
I recently swapped 350's, same year. Everything went together seamlessly, except one thing. There's a white wire with a black stripe under the air filter housing, oassenger side, and only reaching to the alternator/smog pump area. I used a wire to touch it to the engine and it blew the key-switch-on fuse. What does it go to? Or at least what is it for? I can't find it anywhere in the Chilton's manual I have.

Thanks for your help!
afternoon depending on where you live obviously
so i have looked at the electrical diagrams for your vehicle year and the only white/black wire has something to do with the data link controller i found it on the engine control system wiring diagram not sure if it helps i am still trying to figure out what if anything it should be attached to. i will get back to you if i find anything definite.
cheers
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