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Author Topic: cannot find where this lonely brown wire goes near distrib.  (Read 4476 times)

Offline Chevhughes

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cannot find where this lonely brown wire goes near distrib.
« on: March 01, 2015, 04:50:20 pm »
1985 c20 stock 350 700r4 trans. Unmolested truck from Calif.

I pulled trans for a rebuild and that has been re-installed. I saw this wire while trans was out and could not see anywhere it may have been. I am finishing up replacing intake gaskets now. and still have nowhere for this wire. It is brown and it says 103 r on the boot. I am going to start looking thru my manual now but figured I would try here as well. Thanks for any help.

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1985 C20 350 700r4 3:23 and rustfree I shipped from sunny Calif. to Pgh !

Offline Chevhughes

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Re: cannot find where this lonely brown wire goes near distrib.
« Reply #1 on: March 01, 2015, 05:02:05 pm »
truck does not have a tach, it does not go to the distrib from what i can tell, and the wiring is on the oil press sensor..
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1985 C20 350 700r4 3:23 and rustfree I shipped from sunny Calif. to Pgh !

Offline HAULIN IT

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Re: cannot find where this lonely brown wire goes near distrib.
« Reply #2 on: March 01, 2015, 06:31:00 pm »
That is for the oil sender...What does the wire look like that is on your sender? Does your truck have an original oil pressure gauge & does it work? Some had a light as well, I'm guessing this is the case. Lorne
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Offline Chevhughes

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Re: cannot find where this lonely brown wire goes near distrib.
« Reply #3 on: March 01, 2015, 07:19:17 pm »
Thank you for the response, my truck does not have a gauge. it has a light only, the pressure sensor has a plug that pushes on from the top and sorta clamps around the sensor, I don't know how the pics will turn out.

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1985 C20 350 700r4 3:23 and rustfree I shipped from sunny Calif. to Pgh !

Offline Chevhughes

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Re: cannot find where this lonely brown wire goes near distrib.
« Reply #4 on: March 02, 2015, 07:14:00 am »
hmmmmm
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1985 C20 350 700r4 3:23 and rustfree I shipped from sunny Calif. to Pgh !

Offline zieg85

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    • 73-87 GM squarebody extended cab and conversions up to 91 R/V series
Re: cannot find where this lonely brown wire goes near distrib.
« Reply #5 on: March 02, 2015, 08:03:54 am »
That is an oil sending unit plug.  Since you have the light it may be extra.  Doesn't the gauged trucks T off and one is the oil sender and the other is for the electric choke?
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Carl 
1985 C20 Scottsdale 7.4L 4 speed 3.21
1986 C10 under construction
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