The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 09-15-2016, 04:55 PM   #1
Bahamabob1
Registered User
 
Join Date: Sep 2016
Location: washington
Posts: 5
Cool 71 K-5 wiring Question

71 K5 factory a/c 350 /350 CST, the question I have is, in the engine bay on the firewall left of the power brake unit iare 2 relays, factory installed looking and no stereo,lights,extra stuff

what do they control ?

the horn is inside by the fuse box and the fan relay on the passenger side of the AC behind the glove box.

Just can't find anything on any other wiring sites

thanks in advance
Bahamabob1 is offline   Reply With Quote
Old 09-15-2016, 05:05 PM   #2
demian5
Registered User
 
demian5's Avatar
 
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
Re: 71 K-5 wiring Question

Pictures
__________________
"Work hard, use your vacation days."
1970 C15 GMC Long Bed
1986 C20 Scottsdale
1983 K2500 Sierra Classic Suburban 6.2
Instagram: C10sofOC
demian5 is offline   Reply With Quote
Old 09-15-2016, 05:24 PM   #3
leftybass209
Registered User
 
leftybass209's Avatar
 
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,189
Re: 71 K-5 wiring Question

They're for the transmission spark control system. Usually disconnected within the first year of purchase.
leftybass209 is offline   Reply With Quote
Reply

Bookmarks

Tags
blazer, c-10, relay, wiring

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 10:16 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com