Two Underhood Questions
Thread Starter
4th Gear
Joined: Jul 2005
Posts: 4
Likes: 0
Two Underhood Questions
Going through my underhood (78 L-82, THM 350, A/C) and found two puzzlers. These may be obvious for the experiences, but I'm at a loss...
Red wire with connector at end - can't find it's mate. What is it for? It's located on the Driver's side firewall near the distributor. Pic below.
Then on the passenger side, there's this white tube - very small guage, made of a flexible, yet hardish plastic. Originates at the firewall & runs along the finder up to the area of the A/C compressor. Pic of origin below.
Red wire with connector at end - can't find it's mate. What is it for? It's located on the Driver's side firewall near the distributor. Pic below.
Then on the passenger side, there's this white tube - very small guage, made of a flexible, yet hardish plastic. Originates at the firewall & runs along the finder up to the area of the A/C compressor. Pic of origin below.
Le Mans Master
Joined: Sep 2002
Posts: 5,236
Likes: 898
From: Myrtle Beach SC
Originally Posted by big_G
The white tube is probably the vacuum line to the heater control valve, mounted on the fender-well. Red wire looks Bubba.
Melting Slicks
Joined: Aug 2004
Posts: 2,704
Likes: 6
From: Toronto
Originally Posted by big_G
The white tube is probably the vacuum line to the heater control valve, mounted on the fender-well. Red wire looks Bubba.
Have a 78 too and + Big G is right about the white tube, it is vacuum line. No idea about the red wire. Good luck. 
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....wiring diagram shows the pink coming off distributer back to ignition switch..for 75-79 (Chilton)..then there is also a note that says "equiped" and "not equiped"...one by passing radio noise capacitor....
There is another "pink" wire coming off the wiper motor...w/intermittent...
There is another "pink" wire coming off the wiper motor...w/intermittent...
Last edited by rihwoods; Aug 21, 2005 at 11:35 AM.
