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Old 10-30-2004, 01:07 AM   #1
lj17
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Member#: 67381
Join Date: Jul 2004
Location: Western PA
Vehicle:
95 Legacy L sedan

Default 95 legacy rear defrost won't work!

i have a 95 legacy L awd sedan. i checked the fuse- not blown. i don't know too much about subarus, and don't have a shop manual (suggestions for a good one to get? haynes?), any ideas on what else to check?

now, i read in another post that the legacy defrost worked, but took a really long time, like upwards of 35 min. or something. this may be true of mine, as my commute is only 15-20 min. but even if mine does work, it is useless with my short morning commute. so i guess what i'm asking is- is there any way to fix the defrost, or fix a "slow" rear defrost?

i don't expect it to work at the drop of a hat, but damn, my honda's rear defrost clears the window in about 3 min., 5 at the most. but since my subaru is my winter car, this kinda sucks. and i would really like to have a functioning rear defrost before the pennsylvania snow flies...
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Old 10-30-2004, 04:26 AM   #2
fibuz
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Member#: 53410
Join Date: Jan 2004
Chapter/Region: SWIC
Location: Tucson, AZ / Port Angeles, WA
Vehicle:
BE-> GD->GR->SG->BL
WAawd.org

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"what is behind you, is not important!"

dunno what to tell you besides splicing open the wire bundle and checking to voltages...
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Old 10-30-2004, 01:59 PM   #3
Hiroki Tada
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Location: Toronto / 神戸
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I'd check to see if there's a current reaching the defroster. I have no clue what it's labelled as or where the wire is on a BD. On the BE's, the choke coil is a black coloured harness that's located above the antenna amplifier pack on the rear driver's side. If you find it, pull it out and see if the lead's are corroded. In any case, test the strength of the current that's going through. Not too sure on what's the correct amperage but you could always test another piece on the same series circuit and use that as reference.
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Old 10-30-2004, 05:25 PM   #4
lj17
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Member#: 67381
Join Date: Jul 2004
Location: Western PA
Vehicle:
95 Legacy L sedan

Default

Quote:
Originally Posted by Hiroki Tada
I'd check to see if there's a current reaching the defroster. I have no clue what it's labelled as or where the wire is on a BD. On the BE's, the choke coil is a black coloured harness that's located above the antenna amplifier pack on the rear driver's side. If you find it, pull it out and see if the lead's are corroded. In any case, test the strength of the current that's going through. Not too sure on what's the correct amperage but you could always test another piece on the same series circuit and use that as reference.
i forgot to mention, when the switch is pressed, the indicator light comes on, so i think i can rule out a faulty switch.

i'll try checking the current, but can you tell me what BD and BE mean? is that the chassis code or something? and what is the choke coil? again, i don't know much about subarus

thanks for the suggestions though. since you guys are scooby specialists, can you recommend a good shop manual? i saw a haynes at the auto parts store for $15. is it worth getting? i would like to have something before i get too far into this. i just want something relatively cheap, but good, that will help with regular maintenance and problems like this.
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Old 10-30-2004, 06:44 PM   #5
Charlie-III
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Member#: 30669
Join Date: Dec 2002
Chapter/Region: Tri-State
Location: 07456, North NJ
Vehicle:
1998 Legacy 2.5GT
Silver Sleeper Wagon

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BD/BG are the ~1997-2000 subies.

Haynes (for your year) are a good starting point for a shop manual. Not perfect, but better than nothing.
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Old 10-30-2004, 07:16 PM   #6
subiekid
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Join Date: Oct 2002
Chapter/Region: NWIC
Location: Send help, stuck in internet!
Vehicle:
1995 Legacy TURBO!!!
EJ22T/TEC3 & '12 Civic

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I had to resolder the connection at the glass. it was a pain in the ass.
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Old 10-30-2004, 07:47 PM   #7
GTBGUY
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Join Date: Aug 2000
Location: Calgary, Alberta, Canada
Vehicle:
'99 BGP Legacy GT
'98 QS Legacy L (auto)

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*north america only* subtract one year for JDM
BD/BG 1995-1999 sedan/wagon
BE/BH 2000-2004 sedan/wagon
BL/BP 2005-up Sedan/wagon
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Old 10-30-2004, 08:52 PM   #8
lj17
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Join Date: Jul 2004
Location: Western PA
Vehicle:
95 Legacy L sedan

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Quote:
Originally Posted by GTBGUY
*north america only* subtract one year for JDM
BD/BG 1995-1999 sedan/wagon
BE/BH 2000-2004 sedan/wagon
BL/BP 2005-up Sedan/wagon
thanks for the info ^^

i already checked the connections at the glass, and they both look fine.

i guess i'll just pick up the haynes manual. i don't want to spend that much and am just looking for some in-depth info on maintenance-related things, nothing too major. my legacy is completely stock, and will stay that way. it is just what i am going to drive in the winter months. but i want to change all the fluids (engine, tranny, rear diff.) and take care of some other little things before the snow flies, including the rear defrost
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Old 10-30-2004, 09:14 PM   #9
Hiroki Tada
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Location: Toronto / 神戸
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yeah, the haynes manual is pretty good and you could probaly find it in your local automotive store. if not, i think haynes itself has online shopping. basically, a choke coil is something that would take your car alternator's AC signal and manipulate that signal to something useable. in this case, that would be the purpose of defogging your rear window.

im not too sure how far you want to dig into this but i'd check the signal from the relays. again im not sure about your model year but it should be on the same relay as your ac control/unit.

heh. good luck keeping the legacy stock. 1 heavy snow, and 1 hr in an empty parking lot would change your mind.
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Old 10-30-2004, 11:26 PM   #10
lj17
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Member#: 67381
Join Date: Jul 2004
Location: Western PA
Vehicle:
95 Legacy L sedan

Default

thanks for all this. i actaully saw the haynes manual at an advance auto parts for around $15, so i'll probably just go back and pick it up within the next couple days. maybe after i get the manual i can really start troubleshooting the rear defrost...

i just got my legacy back in july, so this will be the first winter i have it. i probably will want to get some things for it, but since my pockets aren't real deep, it will most likey stay stock. for this winter anyway, we'll see...
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Old 10-31-2004, 10:45 AM   #11
Charlie-III
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Member#: 30669
Join Date: Dec 2002
Chapter/Region: Tri-State
Location: 07456, North NJ
Vehicle:
1998 Legacy 2.5GT
Silver Sleeper Wagon

Default

Quote:
Originally Posted by Hiroki Tada
yeah, basically, a choke coil is something that would take your car alternator's AC signal and manipulate that signal to something useable. in this case, that would be the purpose of defogging your rear window.

im not too sure how far you want to dig into this but i'd check the signal from the relays. again im not sure about your model year but it should be on the same relay as your ac control/unit.

heh. good luck keeping the legacy stock. 1 heavy snow, and 1 hr in an empty parking lot would change your mind.
Ummm..... , HUH?

The full bridge rectifier (inside the alternator) does this. This is then the DC power FOR EVERYTHING electrical in your car.

There should be no AC power outside the alternator.

If the rest of the electrics are working, I would skip the alternator. Checking the fuses (best way is to unplug both connectors to the glass heater and plug a DC voltmeter into it and hit the defrost switch), relays, wiring and switches are next.

If you don't have power to the rear connectors on the glass, go backwards until you do, then fix the problem.

If you have power at the glass connectors, it is the heating film itself.
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