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HVAC problem #1479198 01/11/06 10:11 PM
Joined: Dec 2002 Posts: 1,605 Q Quick_SVT OP Hard-core CEG\'er
OP Quick_SVT Hard-core CEG\'er Q Joined: Dec 2002 Posts: 1,605	I have this really annoying problem with my HVAC, when i turn on the A/C or Defrost, it blows the 30amp fuse under the dash leaving me HVAC-less completely. My heat on the other hand works fine. I already replaced the Heater blower resistor. What would cause this? I've searched and checked the common problems, but found nothing quite like this one. #3162 of 6535 98 SVT Silver frost Viper Responder 791 w/ 2way remote start Let the modding begin!

Re: HVAC problem #1479199 01/11/06 11:33 PM
Joined: May 2000 Posts: 635 Lucas,Ohio F F111D F_dup1 Veteran CEG\'er
F111D F_dup1 Veteran CEG\'er F Joined: May 2000 Posts: 635 Lucas,Ohio	Assuming this is the Fuse F-37? Do you have a Ford Cd manual, it would be a BIG help, the AC clutch/solenoid, several relays in the BJB fuse box, several swithces (AC compressor cycling, and the dual pressure on the evaporator cans under the battery and a diode on the left side of the passenger side cooling fan are also on that fuse. It looks like the make contact on the heater blow relay k-14 feeds all this and the heater blower motor. Unplug the AC compressor clutch (actually pulling relay K-107 in the BJB box - Ac clutch relay would isolate the diode and the clutch solenoid) and the heater blower (connector that plugs into the side of the motor). I'm looking the wiring diagrams and the associated pictures in the Ford CD manual. The pictures assume you're familiar with the whole car. This CD manual is mandatory before the guessing begins!!! Ah I mean troubleshooting! Good Luck Paul Paul 98 Mystique LS 2ea (07/97)(08/98)

Re: HVAC problem #1479200 01/12/06 02:38 AM
Joined: Dec 2002 Posts: 1,605 Q Quick_SVT OP Hard-core CEG\'er
OP Quick_SVT Hard-core CEG\'er Q Joined: Dec 2002 Posts: 1,605	In short... i'm screwed without a Ford CD? because i don't understand a word you typed. Wtf is a BJB? #3162 of 6535 98 SVT Silver frost Viper Responder 791 w/ 2way remote start Let the modding begin!

Re: HVAC problem #1479201 01/12/06 04:14 AM
Joined: May 2000 Posts: 635 Lucas,Ohio F F111D F_dup1 Veteran CEG\'er
F111D F_dup1 Veteran CEG\'er F Joined: May 2000 Posts: 635 Lucas,Ohio	Battery Junction box -- the fuse box next to the battery. I've been rather busy trying to get ready for a 500 mile trip up around Chicago to visit the almost cheeshead grandson. Do I put my Grand Touring all-season tire on or burn up Blizzak's on the rough riding 14" steel rims? "Todras" makes copies for us CEG's, rather reasonable! I can't remember if the relays are marked in the lid of the fuse box or not? Paul 98 Mystique LS built 07/97 Paul 98 Mystique LS 2ea (07/97)(08/98)

Re: HVAC problem #1479202 01/12/06 04:40 AM
Joined: Sep 2003 Posts: 1,016 NE Ohio/ NW Ohio E epattonm Hard-core CEG\'er
epattonm Hard-core CEG\'er E Joined: Sep 2003 Posts: 1,016 NE Ohio/ NW Ohio	Almost sounds like you've got a short. Get the old wire testers out I suppose. 2000 CSVT Silver Frost: #942 of 2150 HID Projectors and Fog Light Mod, Optomized TB, MSDS headers 2003 Silverstone Z

Re: HVAC problem #1479203 01/12/06 01:15 PM
Joined: Sep 2002 Posts: 1,788 St. Louis, MO P projectSHO89_dup1 Hard-core CEG\'er
projectSHO89_dup1 Hard-core CEG\'er P Joined: Sep 2002 Posts: 1,788 St. Louis, MO	Or download your own service CD from www.fordcds.com for free. Steve 98 Contour SE Sport 2.5 Duratec ATX The wifey's car 89 Taurus SHO - 246K miles 94 SHO ATX - 190K 1997 F-150 5.4L ATX - The Workhorse 150K. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!

Re: HVAC problem #1479204 01/12/06 03:19 PM
Joined: Dec 2002 Posts: 1,605 Q Quick_SVT OP Hard-core CEG\'er
OP Quick_SVT Hard-core CEG\'er Q Joined: Dec 2002 Posts: 1,605	Originally posted by F111D F: Battery Junction box -- the fuse box next to the battery. I've been rather busy trying to get ready for a 500 mile trip up around Chicago to visit the almost cheeshead grandson. Do I put my Grand Touring all-season tire on or burn up Blizzak's on the rough riding 14" steel rims? "Todras" makes copies for us CEG's, rather reasonable! I can't remember if the relays are marked in the lid of the fuse box or not? Paul 98 Mystique LS built 07/97 Run the all seasons of course! Don't ruin a good set of blizzaks. #3162 of 6535 98 SVT Silver frost Viper Responder 791 w/ 2way remote start Let the modding begin!

Re: HVAC problem #1479205 01/12/06 03:20 PM
Joined: Dec 2002 Posts: 1,605 Q Quick_SVT OP Hard-core CEG\'er
OP Quick_SVT Hard-core CEG\'er Q Joined: Dec 2002 Posts: 1,605	Originally posted by projectSHO89: Or download your own service CD from www.fordcds.com for free. Steve Thanks for the link projectSHO89!!!! #3162 of 6535 98 SVT Silver frost Viper Responder 791 w/ 2way remote start Let the modding begin!

Re: HVAC problem #1479206 01/12/06 03:21 PM
Joined: Dec 2002 Posts: 1,605 Q Quick_SVT OP Hard-core CEG\'er
OP Quick_SVT Hard-core CEG\'er Q Joined: Dec 2002 Posts: 1,605	Originally posted by epattonm: Almost sounds like you've got a short. Get the old wire testers out I suppose. Wish it wasn't so darn cold!, i'm going to start replacing all the known culprits and hope for the best, when i fix it i'll post my results for searching purposes. #3162 of 6535 98 SVT Silver frost Viper Responder 791 w/ 2way remote start Let the modding begin!

Re: HVAC problem #1479207 01/12/06 06:06 PM
Joined: Sep 2003 Posts: 1,016 NE Ohio/ NW Ohio E epattonm Hard-core CEG\'er
epattonm Hard-core CEG\'er E Joined: Sep 2003 Posts: 1,016 NE Ohio/ NW Ohio	Originally posted by Quick_SVT: Originally posted by epattonm: Almost sounds like you've got a short. Get the old wire testers out I suppose. Wish it wasn't so darn cold!, i'm going to start replacing all the known culprits and hope for the best, when i fix it i'll post my results for searching purposes. That's usually the missing link when I search... the actual solution to the problem. I'm sure that someone ill be greatly appriciated. 2000 CSVT Silver Frost: #942 of 2150 HID Projectors and Fog Light Mod, Optomized TB, MSDS headers 2003 Silverstone Z

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