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What is this
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Topic: What is this (Read 1754 times)
86c20RN
New Users
Posts: 2
Newbie
What is this
«
on:
November 10, 2021, 01:57:50 PM »
Hi,
1986 C20 454 auto. What is this? Located on drivers side of carb.
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wz7u
Newbie
Posts: 39
Old, tired - like the truck
Re: What is this
«
Reply #1 on:
November 10, 2021, 05:22:46 PM »
Idle stop solenoid?
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'79 C20 454/th400 "Pearl"
JohnnyPopper
Senior Member
Posts: 2555
Old Goof
Re: What is this
«
Reply #2 on:
November 10, 2021, 06:30:50 PM »
Does your truck have A/C?
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1957 Apache 3100 235 Inline 6, 3 on the tree
1973 C-20, 3+3 454 4BBL TH400 Water Injection
1978 K-10, 350 4BBL TH350 NP203 M.M. Part time Kit/Hubs
1980 C-10 under construction
JohnnyPopper
Senior Member
Posts: 2555
Old Goof
Re: What is this
«
Reply #3 on:
November 10, 2021, 06:31:51 PM »
Maybe a few more pics of surrounding area?
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1957 Apache 3100 235 Inline 6, 3 on the tree
1973 C-20, 3+3 454 4BBL TH400 Water Injection
1978 K-10, 350 4BBL TH350 NP203 M.M. Part time Kit/Hubs
1980 C-10 under construction
wz7u
Newbie
Posts: 39
Old, tired - like the truck
Re: What is this
«
Reply #4 on:
November 10, 2021, 06:56:12 PM »
Or a pic of the bracket/area it came from. Was it just laying there next to the carb?
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'79 C20 454/th400 "Pearl"
Mike81K10
Junior Member
Posts: 906
Re: What is this
«
Reply #5 on:
November 10, 2021, 09:23:18 PM »
Might be A/C compressor switch. Being on the DS of carb is about where the compressor would be if you had an A/C system. Just a guess!
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"Tell me and I forget. Teach me and I remember. Involve me and I learn." -Benjamin Franklin
bd
Global Moderator
Senior Member
Posts: 6455
Re: What is this
«
Reply #6 on:
November 10, 2021, 10:54:30 PM »
That air temperature switch inserts through the side of the air cleaner housing and is retained by a horseshoe spring clip. It is part of the AIR emissions package (smog pump) control circuit. The switch contacts should close above ~60° F.
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Rich
It's difficult to know just how much you don't know until you know it.
In other words... if people learn by making mistakes, by now I should know just about everything!!!
87 R10 Silverado Fleetside 355 MPFI 700R4 3.42 Locker (aka Rusty, aka Mater)
wz7u
Newbie
Posts: 39
Old, tired - like the truck
Re: What is this
«
Reply #7 on:
November 11, 2021, 01:05:24 AM »
That makes perfect sense, I see the clip groove now.
D'oh!
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'79 C20 454/th400 "Pearl"
86c20RN
New Users
Posts: 2
Newbie
Re: What is this
«
Reply #8 on:
November 11, 2021, 04:15:46 PM »
Thanks so much for helping me. I will try to see if I can find the spot it goes in.
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What is this