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11-08-2013, 06:34 PM | #1 |
Registered User
Join Date: Nov 2010
Location: Rustville USA or southeast Ia
Posts: 654
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Engine wiring help (pictures)
Hey i'm doing my first engine swap and have lost track of most of the wiring i was hoping you guys could help me out. Please don't be to harsh i'm only 18 and have never done this before thanks. I put a picture of how i have the distributor wired i'm not sure if that's correct also in the first picture i think those 2 plug into each other like that but not sure.
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11-08-2013, 06:35 PM | #2 |
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Join Date: Nov 2010
Location: Rustville USA or southeast Ia
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Re: Engine wiring help (pictures)
Where does this go its for the wiring harness i don't remember where it was.
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Rust is better than rice. |
11-08-2013, 06:38 PM | #3 |
Slots go on anything!
Join Date: May 2003
Location: Richardson, TX
Posts: 5,957
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Re: Engine wiring help (pictures)
1. Not sure. I think that might be the wiring for the electric choke. What side of the engine does it correspond to? The green *might* be the temp sender wire if it is on the driver's side.
2. that is the oil pressure sensor wire. It should go behind the distributor. 3. you are right. 4. That looks like the switching valve plug for the AIR injection system (smog) 5. the ground wires should go to a stud on the back of a head. last pic- that should attach to the engine to bellhousing bolt (I am pretty sure, anyhow).
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1974 Jimmy- 5.3/4L80e/NP241 |
11-08-2013, 06:46 PM | #4 |
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Join Date: Nov 2010
Location: Rustville USA or southeast Ia
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Re: Engine wiring help (pictures)
Old motor was 305 new one is 350 btw. Oil pressure sensor i didn't think there was anything behind the distributor.. The sensor above the oil filter i'm not sure what it's called it may be the oil pressure sensor has a different wiring connector that i didn't take a picture of but picture number 2 isn't for the sensor above the oil filter that much i know... I think this one may go the temp sensor??
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Rust is better than rice. |
11-08-2013, 10:52 PM | #5 |
78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
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Re: Engine wiring help (pictures)
mine was idiot lights and i switched to gauges,used the same sensor hole back there,on the right of the dizzy hole
what does the other side of the plug look like on the green wire?
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
11-09-2013, 01:37 PM | #6 |
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Join Date: Nov 2010
Location: Rustville USA or southeast Ia
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Re: Engine wiring help (pictures)
is that a brass plug that it threads into in your picture? green wire do you mean the one in the first picture?
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Rust is better than rice. |
11-09-2013, 01:47 PM | #7 | |
78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: Engine wiring help (pictures)
Quote:
the temp wire,some slide on from the side,some the end
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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