Brought to you in part by:


  Mustangsandmore Forums
  Mercury Cougar
  1979 xr-7

Post New Topic  Post A Reply
profile | register | preferences | faq | search

next newest topic | next oldest topic
Author Topic:   1979 xr-7

Posts: 187
From: duluth ga usa
Registered: Jan 2005

posted 01-19-2005 07:50 PM     Click Here to See the Profile for majik455   Click Here to Email majik455     Edit/Delete Message   Reply w/Quote
I cannot find the reason for no vacum to the heater a/c selector switch (always blows defrost) the main is connected and all the rest on the back and at the heater box seem to be connected???? what did I miss anyone?

IP: Logged


Posts: 46259
From: Saco, Maine
Registered: May 99

posted 01-28-2005 08:29 AM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
You need to trace a problem like this just like wiring; trace the line until you find vacuum.

'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

IP: Logged

All times are ET (US)

next newest topic | next oldest topic

Administrative Options: Close Topic | Archive/Move | Delete Topic
Post New Topic  Post A Reply
Hop to:

Contact Us | Mustangsandmore Front Page

Copyright 2005, Steve LaRiviere. All Rights Reserved.

Ultimate Bulletin Board 5.47d

Amazon Honor System Click Here to Pay Learn More

[Acronyms][Calendar][Chat][Classifieds] [Members' Pics]

[ Bookstore] [ Smokin' Fords] [Tech Articles]