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Old 24 Dec 2009, 10:48 am
jim beam
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Default blower resistor values?

does anyone know what these values are supposed to be? my 89 civic has
just burned out the lowest speed resistor - a common failing, and i'm
contemplating repair. i have the two larger values as 0.4 and 1.2 ohms,
but does anyone know the other?

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  #2 (permalink)  
Old 24 Dec 2009, 11:19 am
Elle
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Default Re: blower resistor values?

On Dec 24, 9:48*am, jim beam <m...@privacy.net> wrote:
> does anyone know what these values are supposed to be? *my 89 civic has
> just burned out the lowest speed resistor - a common failing, and i'm
> contemplating repair. *i have the two larger values as 0.4 and 1.2 ohms,
> but does anyone know the other?


Using the old resistor pack from my 91 Civic LX and the drawing of the
plug at http://www.honda-tech.com/showthread...resistor+ohms:

Resistance across Terminals, Ohms
1 to 2 =~ 1.6
1 to 3 =~ 0.8
3 to 4 =~ 0.2 to 0.4 (bounces around)

I trust you are aware you can buy an aftermarket resistor pack that
fits perfectly from Napa for around $30. At least, the Napa one worked
great on my 91 Civic and should be the same for your CRX.
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  #3 (permalink)  
Old 24 Dec 2009, 11:32 am
jim beam
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Default Re: blower resistor values?

On 12/24/2009 09:19 AM, Elle wrote:
> On Dec 24, 9:48�am, jim beam<m...@privacy.net> wrote:
>> does anyone know what these values are supposed to be? �my 89 civic has
>> just burned out the lowest speed resistor - a common failing, and i'm
>> contemplating repair. �i have the two larger values as 0.4 and 1.2 ohms,
>> but does anyone know the other?

>
> Using the old resistor pack from my 91 Civic LX and the drawing of the
> plug at http://www.honda-tech.com/showthread...resistor+ohms:
>
> Resistance across Terminals, Ohms
> 1 to 2 =~ 1.6
> 1 to 3 =~ 0.8
> 3 to 4 =~ 0.2 to 0.4 (bounces around)
>
> I trust you are aware you can buy an aftermarket resistor pack that
> fits perfectly from Napa for around $30. At least, the Napa one worked
> great on my 91 Civic and should be the same for your CRX.



new oem is $25

http://www.bkhondaparts.com/billkay/jsp/prddisplay.jsp?catcgry1=CRX&catcgry2=1991&catcgry3 =2DR+DX&catcgry4=KL4AT&catcgry5=HEATER+BLOWER&List All=All&vinsrch=no&systemcomp=Electrical%2FExhaust %2FHeater%2FFuel&prdrefno=&quantity=0&act=&count=0 &hidSwitch=Switch&hidIrno=|005

but i'm just messing about. i have some constantan wire and was
contemplating just winding a new one. thanks though elle.


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  #4 (permalink)  
Old 24 Dec 2009, 11:44 am
Elle
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Posts: n/a
Default Re: blower resistor values?

On Dec 24, 10:32*am, jim beam <m...@privacy.net> wrote:
> On 12/24/2009 09:19 AM, Elle wrote:
>
>
>
> > On Dec 24, 9:48 am, jim beam<m...@privacy.net> *wrote:
> >> does anyone know what these values are supposed to be? my 89 civic has
> >> just burned out the lowest speed resistor - a common failing, and i'm
> >> contemplating repair. i have the two larger values as 0.4 and 1.2 ohms,
> >> but does anyone know the other?

>
> > Using the old resistor pack from my 91 Civic LX and the drawing of the
> > plug athttp://www.honda-tech.com/showthread.php?t=2677702&highlight=blower+r...

>
> > Resistance across Terminals, Ohms
> > 1 to 2 =~ 1.6
> > 1 to 3 =~ 0.8
> > 3 to 4 =~ 0.2 to 0.4 (bounces around)

>
> > I trust you are aware you can buy an aftermarket resistor pack that
> > fits perfectly from Napa for around $30. At least, the Napa one worked
> > great on my 91 Civic and should be the same for your CRX.

>
> new oem is $25


Expedience. Plus shipping and handling gets the price up around $30.
As you know. ;-)

For the archives, Autozone.com has the resistor pack at three
different prices: $18, $24, and $36.

> http://www.bkhondaparts.com/billkay/...1=CRX&c....005
>
> but i'm just messing about. *i have some constantan wire and was
> contemplating just winding a new one. *thanks though elle.


I figured you were doing the hobby thing. You're welcome and enjoy.
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  #5 (permalink)  
Old 24 Dec 2009, 03:49 pm
jim beam
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Posts: n/a
Default Re: blower resistor values?

On 12/24/2009 09:44 AM, Elle wrote:
> On Dec 24, 10:32�am, jim beam<m...@privacy.net> wrote:
>> On 12/24/2009 09:19 AM, Elle wrote:
>>
>>
>>
>>> On Dec 24, 9:48 am, jim beam<m...@privacy.net> �wrote:
>>>> does anyone know what these values are supposed to be? my 89 civic has
>>>> just burned out the lowest speed resistor - a common failing, and i'm
>>>> contemplating repair. i have the two larger values as 0.4 and 1.2 ohms,
>>>> but does anyone know the other?

>>
>>> Using the old resistor pack from my 91 Civic LX and the drawing of the
>>> plug athttp://www.honda-tech.com/showthread.php?t=2677702&highlight=blower+r...

>>
>>> Resistance across Terminals, Ohms
>>> 1 to 2 =~ 1.6
>>> 1 to 3 =~ 0.8
>>> 3 to 4 =~ 0.2 to 0.4 (bounces around)

>>
>>> I trust you are aware you can buy an aftermarket resistor pack that
>>> fits perfectly from Napa for around $30. At least, the Napa one worked
>>> great on my 91 Civic and should be the same for your CRX.

>>
>> new oem is $25

>
> Expedience. Plus shipping and handling gets the price up around $30.
> As you know. ;-)
>
> For the archives, Autozone.com has the resistor pack at three
> different prices: $18, $24, and $36.
>
>> http://www.bkhondaparts.com/billkay/...y1=CRX&c...005
>>
>> but i'm just messing about. �i have some constantan wire and was
>> contemplating just winding a new one. �thanks though elle.

>
> I figured you were doing the hobby thing. You're welcome and enjoy.


i figured the scale 0.4, 0.8, 1.6 made the most sense, so wound my new
resistor accordingly. it turns out, attachment is non-trivial because
the original wires are crimped into position under the solder, and
re-crimping on the original posts requires tools and precision i don't
have. additionally, resistor wire does not solder readily with
non-corrosive rosin flux, so again, the crimping is a factor in replacement.

i ended up using some brass crimps from some terminal ends and soldering
in addition. the result is not attractive to look at, took quite some
time, and longevity is to be determined. bottom line, for anyone but
the most tight-fisted, i'd spend the $25 and simply buy new.





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  #6 (permalink)  
Old 24 Dec 2009, 08:34 pm
Grumpy AuContraire
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Posts: n/a
Default Re: blower resistor values?

jim beam wrote:
> On 12/24/2009 09:44 AM, Elle wrote:
>> On Dec 24, 10:32�am, jim beam<m...@privacy.net> wrote:
>>> On 12/24/2009 09:19 AM, Elle wrote:
>>>
>>>
>>>
>>>> On Dec 24, 9:48 am, jim beam<m...@privacy.net> �wrote:
>>>>> does anyone know what these values are supposed to be? my 89 civic has
>>>>> just burned out the lowest speed resistor - a common failing, and i'm
>>>>> contemplating repair. i have the two larger values as 0.4 and 1.2
>>>>> ohms,
>>>>> but does anyone know the other?
>>>
>>>> Using the old resistor pack from my 91 Civic LX and the drawing of the
>>>> plug
>>>> athttp://www.honda-tech.com/showthread.php?t=2677702&highlight=blower+r...
>>>>
>>>
>>>> Resistance across Terminals, Ohms
>>>> 1 to 2 =~ 1.6
>>>> 1 to 3 =~ 0.8
>>>> 3 to 4 =~ 0.2 to 0.4 (bounces around)
>>>
>>>> I trust you are aware you can buy an aftermarket resistor pack that
>>>> fits perfectly from Napa for around $30. At least, the Napa one worked
>>>> great on my 91 Civic and should be the same for your CRX.
>>>
>>> new oem is $25

>>
>> Expedience. Plus shipping and handling gets the price up around $30.
>> As you know. ;-)
>>
>> For the archives, Autozone.com has the resistor pack at three
>> different prices: $18, $24, and $36.
>>
>>> http://www.bkhondaparts.com/billkay/...y1=CRX&c...005
>>>
>>>
>>> but i'm just messing about. �i have some constantan wire and was
>>> contemplating just winding a new one. �thanks though elle.

>>
>> I figured you were doing the hobby thing. You're welcome and enjoy.

>
> i figured the scale 0.4, 0.8, 1.6 made the most sense, so wound my new
> resistor accordingly. it turns out, attachment is non-trivial because
> the original wires are crimped into position under the solder, and
> re-crimping on the original posts requires tools and precision i don't
> have. additionally, resistor wire does not solder readily with
> non-corrosive rosin flux, so again, the crimping is a factor in
> replacement.
>
> i ended up using some brass crimps from some terminal ends and soldering
> in addition. the result is not attractive to look at, took quite some
> time, and longevity is to be determined. bottom line, for anyone but
> the most tight-fisted, i'd spend the $25 and simply buy new.



I'm not "tight fisted," merely frugal...

That said, the low range resistor on two of my Gen 2 Civics are shot as
well. I would only attribute this to too low of a wattage rating. I
would imagine that fitting an off-the-shelf higher wattage unit would
fix the problem.

JT
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  #7 (permalink)  
Old 24 Dec 2009, 10:21 pm
jim beam
Guest
 
Posts: n/a
Default Re: blower resistor values?

On 12/24/2009 06:34 PM, Grumpy AuContraire wrote:
> jim beam wrote:
>> On 12/24/2009 09:44 AM, Elle wrote:
>>> On Dec 24, 10:32�am, jim beam<m...@privacy.net> wrote:
>>>> On 12/24/2009 09:19 AM, Elle wrote:
>>>>
>>>>
>>>>
>>>>> On Dec 24, 9:48 am, jim beam<m...@privacy.net> �wrote:
>>>>>> does anyone know what these values are supposed to be? my 89 civic
>>>>>> has
>>>>>> just burned out the lowest speed resistor - a common failing, and i'm
>>>>>> contemplating repair. i have the two larger values as 0.4 and 1.2
>>>>>> ohms,
>>>>>> but does anyone know the other?
>>>>
>>>>> Using the old resistor pack from my 91 Civic LX and the drawing of the
>>>>> plug
>>>>> athttp://www.honda-tech.com/showthread.php?t=2677702&highlight=blower+r...
>>>>>
>>>>
>>>>> Resistance across Terminals, Ohms
>>>>> 1 to 2 =~ 1.6
>>>>> 1 to 3 =~ 0.8
>>>>> 3 to 4 =~ 0.2 to 0.4 (bounces around)
>>>>
>>>>> I trust you are aware you can buy an aftermarket resistor pack that
>>>>> fits perfectly from Napa for around $30. At least, the Napa one worked
>>>>> great on my 91 Civic and should be the same for your CRX.
>>>>
>>>> new oem is $25
>>>
>>> Expedience. Plus shipping and handling gets the price up around $30.
>>> As you know. ;-)
>>>
>>> For the archives, Autozone.com has the resistor pack at three
>>> different prices: $18, $24, and $36.
>>>
>>>> http://www.bkhondaparts.com/billkay/...y1=CRX&c...005
>>>>
>>>>
>>>> but i'm just messing about. �i have some constantan wire and was
>>>> contemplating just winding a new one. �thanks though elle.
>>>
>>> I figured you were doing the hobby thing. You're welcome and enjoy.

>>
>> i figured the scale 0.4, 0.8, 1.6 made the most sense, so wound my new
>> resistor accordingly. it turns out, attachment is non-trivial because
>> the original wires are crimped into position under the solder, and
>> re-crimping on the original posts requires tools and precision i don't
>> have. additionally, resistor wire does not solder readily with
>> non-corrosive rosin flux, so again, the crimping is a factor in
>> replacement.
>>
>> i ended up using some brass crimps from some terminal ends and
>> soldering in addition. the result is not attractive to look at, took
>> quite some time, and longevity is to be determined. bottom line, for
>> anyone but the most tight-fisted, i'd spend the $25 and simply buy new.

>
>
> I'm not "tight fisted," merely frugal...
>
> That said, the low range resistor on two of my Gen 2 Civics are shot as
> well. I would only attribute this to too low of a wattage rating. I
> would imagine that fitting an off-the-shelf higher wattage unit would
> fix the problem.
>
> JT


yes, but it would need to be high wattage. >10W i'd guess - you can
figure it out if you know the voltage drop over the motor - but i don't.

the oem resistor sits in the air stream of the motor and is thus air
cooled - heat dissipation isn't much of a problem. your resistor would
have to be similarly configured. the reason the oem resistor fails is
general corrosion and oxidation after all those years operating in dirty
air and at high temperature.
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  #8 (permalink)  
Old 24 Dec 2009, 10:29 pm
Elle
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Posts: n/a
Default Re: blower resistor values?

On Dec 24, 7:34*pm, Grumpy AuContraire <Grumpy...@GrumpyvilleNOT.com>
wrote:
> the low range resistor on two of my Gen 2 Civics are shot as
> well. *


How many years do you think they had on them?

My 91 Civic's had not failed. I mistakenly replaced it earlier this
year and then found the problem was actually the fan switch in the
climate control unit.

Granted there are many reports of these resistor packs failing, but it
seems they tend to last well over ten years.
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  #9 (permalink)  
Old 25 Dec 2009, 11:33 pm
Grumpy AuContraire
Guest
 
Posts: n/a
Default Re: blower resistor values?

Elle wrote:
> On Dec 24, 7:34 pm, Grumpy AuContraire <Grumpy...@GrumpyvilleNOT.com>
> wrote:
>> the low range resistor on two of my Gen 2 Civics are shot as
>> well.

>
> How many years do you think they had on them?
>
> My 91 Civic's had not failed. I mistakenly replaced it earlier this
> year and then found the problem was actually the fan switch in the
> climate control unit.
>
> Granted there are many reports of these resistor packs failing, but it
> seems they tend to last well over ten years.




I'm just going by what I got when I bought 'em.

The first two cars have faulty low speed resistors. Neither car has
more than 130K on 'em.

OTOH, I now drive an '82 1500 automatic and low speed is fine. It has
135K on it. I just stripped and junked an '83 1500 auto that had 127K
and the resistor was fine on it. Go figure...

I kind of enjoy tinkering with the early Civics. Great engineering and
quite simple by today's standards.

JT

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  #10 (permalink)  
Old 25 Dec 2009, 11:37 pm
Grumpy AuContraire
Guest
 
Posts: n/a
Default Re: blower resistor values?

jim beam wrote:
> On 12/24/2009 06:34 PM, Grumpy AuContraire wrote:
>> jim beam wrote:
>>> On 12/24/2009 09:44 AM, Elle wrote:
>>>> On Dec 24, 10:32�am, jim beam<m...@privacy.net> wrote:
>>>>> On 12/24/2009 09:19 AM, Elle wrote:
>>>>>
>>>>>
>>>>>
>>>>>> On Dec 24, 9:48 am, jim beam<m...@privacy.net> �wrote:
>>>>>>> does anyone know what these values are supposed to be? my 89 civic
>>>>>>> has
>>>>>>> just burned out the lowest speed resistor - a common failing, and
>>>>>>> i'm
>>>>>>> contemplating repair. i have the two larger values as 0.4 and 1.2
>>>>>>> ohms,
>>>>>>> but does anyone know the other?
>>>>>
>>>>>> Using the old resistor pack from my 91 Civic LX and the drawing of
>>>>>> the
>>>>>> plug
>>>>>> athttp://www.honda-tech.com/showthread.php?t=2677702&highlight=blower+r...
>>>>>>
>>>>>>
>>>>>
>>>>>> Resistance across Terminals, Ohms
>>>>>> 1 to 2 =~ 1.6
>>>>>> 1 to 3 =~ 0.8
>>>>>> 3 to 4 =~ 0.2 to 0.4 (bounces around)
>>>>>
>>>>>> I trust you are aware you can buy an aftermarket resistor pack that
>>>>>> fits perfectly from Napa for around $30. At least, the Napa one
>>>>>> worked
>>>>>> great on my 91 Civic and should be the same for your CRX.
>>>>>
>>>>> new oem is $25
>>>>
>>>> Expedience. Plus shipping and handling gets the price up around $30.
>>>> As you know. ;-)
>>>>
>>>> For the archives, Autozone.com has the resistor pack at three
>>>> different prices: $18, $24, and $36.
>>>>
>>>>> http://www.bkhondaparts.com/billkay/...y1=CRX&c...005
>>>>>
>>>>>
>>>>>
>>>>> but i'm just messing about. �i have some constantan wire and was
>>>>> contemplating just winding a new one. �thanks though elle.
>>>>
>>>> I figured you were doing the hobby thing. You're welcome and enjoy.
>>>
>>> i figured the scale 0.4, 0.8, 1.6 made the most sense, so wound my new
>>> resistor accordingly. it turns out, attachment is non-trivial because
>>> the original wires are crimped into position under the solder, and
>>> re-crimping on the original posts requires tools and precision i don't
>>> have. additionally, resistor wire does not solder readily with
>>> non-corrosive rosin flux, so again, the crimping is a factor in
>>> replacement.
>>>
>>> i ended up using some brass crimps from some terminal ends and
>>> soldering in addition. the result is not attractive to look at, took
>>> quite some time, and longevity is to be determined. bottom line, for
>>> anyone but the most tight-fisted, i'd spend the $25 and simply buy new.

>>
>>
>> I'm not "tight fisted," merely frugal...
>>
>> That said, the low range resistor on two of my Gen 2 Civics are shot as
>> well. I would only attribute this to too low of a wattage rating. I
>> would imagine that fitting an off-the-shelf higher wattage unit would
>> fix the problem.
>>
>> JT

>
> yes, but it would need to be high wattage. >10W i'd guess - you can
> figure it out if you know the voltage drop over the motor - but i don't.
>
> the oem resistor sits in the air stream of the motor and is thus air
> cooled - heat dissipation isn't much of a problem. your resistor would
> have to be similarly configured. the reason the oem resistor fails is
> general corrosion and oxidation after all those years operating in dirty
> air and at high temperature.



Kind of reminds me of way back in 1990 when I worked on Diego Garcia, my
trusty pre Mac Plus started acting funny. I suspected a failing power
supply but I managed to finish out the contract before total failure.

When I got back in Austin, I took it over to a Mac Guru and he confirmed
that indeed, the power supply was on its way out but stated fixing it
would be simple. He ended up by using a few automotive diodes etc and
the damned thing would probably outlive me!

Nothing like a little overkill!

JT

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