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-   -   12 volt power supply (https://www.gtcarz.com/honda-mailing-list-327/12-volt-power-supply-294942/)

Art 11-02-2006 03:36 PM

Re: 12 volt power supply
 
That was what I figured. Kind of hate to add a high amp wire the length of
the chasis even if done by someone who knows what they are doing. Seems
like a problem waiting to happen.


"Matt Ion" <soundy106@gmail.com> wrote in message
news:hqr2h.248165$R63.241046@pd7urf1no...
> John Horner wrote:
>> Art wrote:
>>
>>> I am thinking of installing a wheelchair lift in the back of my 2006
>>> Odyssey for occasional use. That would enable me to easily put my
>>> father's power chair in the back of the minivan once in a while. These
>>> things take about 20 amps. There are 3 12 volt (10 amp) power supplies
>>> in the minivan, and rather than permanently installing a wire to the
>>> battery as is recommended, since the lift will only be used once in a
>>> while, I was thinking of making a connector so I could connect all 3
>>> power adapters already installed by the factory to the lift when I use
>>> it. I presume that 3 times 10 amps will give me 30 amps which is 10
>>> more than it needs. Not being an electronics genius, anyone knows if
>>> there is a problem with my idea? Thanks.
>>>

>>
>> Bad idea. You will need a separate 30 amp circuit. The existing power
>> outlets are most likely all on one circuit, but as multiple plugs in your
>> home can all connect to one circuit.
>>
>> You need someone well versed in automotive electronics to do it right.

>
> I'll second that (and Woody's post as well).




Art 11-02-2006 03:36 PM

Re: 12 volt power supply
 
That was what I figured. Kind of hate to add a high amp wire the length of
the chasis even if done by someone who knows what they are doing. Seems
like a problem waiting to happen.


"Matt Ion" <soundy106@gmail.com> wrote in message
news:hqr2h.248165$R63.241046@pd7urf1no...
> John Horner wrote:
>> Art wrote:
>>
>>> I am thinking of installing a wheelchair lift in the back of my 2006
>>> Odyssey for occasional use. That would enable me to easily put my
>>> father's power chair in the back of the minivan once in a while. These
>>> things take about 20 amps. There are 3 12 volt (10 amp) power supplies
>>> in the minivan, and rather than permanently installing a wire to the
>>> battery as is recommended, since the lift will only be used once in a
>>> while, I was thinking of making a connector so I could connect all 3
>>> power adapters already installed by the factory to the lift when I use
>>> it. I presume that 3 times 10 amps will give me 30 amps which is 10
>>> more than it needs. Not being an electronics genius, anyone knows if
>>> there is a problem with my idea? Thanks.
>>>

>>
>> Bad idea. You will need a separate 30 amp circuit. The existing power
>> outlets are most likely all on one circuit, but as multiple plugs in your
>> home can all connect to one circuit.
>>
>> You need someone well versed in automotive electronics to do it right.

>
> I'll second that (and Woody's post as well).




Joe LaVigne 11-02-2006 04:47 PM

Re: 12 volt power supply
 
On Thu, 02 Nov 2006 20:36:13 GMT, Art wrote:

> That was what I figured. Kind of hate to add a high amp wire the length of
> the chasis even if done by someone who knows what they are doing. Seems
> like a problem waiting to happen.


Not if the fuse is up front, by the battery. A short further back will
just blow the fuse.

--
Joseph M. LaVigne
jlavigne@hits-buffalo.com
http://www.thelavignefamily.us/MyPipePages/ - 11/2/2006 4:46:43 PM
Tobacconist Brick and Mortar Database: http://bam.tobaccocellar.org/

A pipe gives a wise man time to think and a fool something to stick in
his mouth. -- Anonymous

Joe LaVigne 11-02-2006 04:47 PM

Re: 12 volt power supply
 
On Thu, 02 Nov 2006 20:36:13 GMT, Art wrote:

> That was what I figured. Kind of hate to add a high amp wire the length of
> the chasis even if done by someone who knows what they are doing. Seems
> like a problem waiting to happen.


Not if the fuse is up front, by the battery. A short further back will
just blow the fuse.

--
Joseph M. LaVigne
jlavigne@hits-buffalo.com
http://www.thelavignefamily.us/MyPipePages/ - 11/2/2006 4:46:43 PM
Tobacconist Brick and Mortar Database: http://bam.tobaccocellar.org/

A pipe gives a wise man time to think and a fool something to stick in
his mouth. -- Anonymous

Joe LaVigne 11-02-2006 04:47 PM

Re: 12 volt power supply
 
On Thu, 02 Nov 2006 20:36:13 GMT, Art wrote:

> That was what I figured. Kind of hate to add a high amp wire the length of
> the chasis even if done by someone who knows what they are doing. Seems
> like a problem waiting to happen.


Not if the fuse is up front, by the battery. A short further back will
just blow the fuse.

--
Joseph M. LaVigne
jlavigne@hits-buffalo.com
http://www.thelavignefamily.us/MyPipePages/ - 11/2/2006 4:46:43 PM
Tobacconist Brick and Mortar Database: http://bam.tobaccocellar.org/

A pipe gives a wise man time to think and a fool something to stick in
his mouth. -- Anonymous

Joe LaVigne 11-02-2006 04:47 PM

Re: 12 volt power supply
 
On Thu, 02 Nov 2006 20:36:13 GMT, Art wrote:

> That was what I figured. Kind of hate to add a high amp wire the length of
> the chasis even if done by someone who knows what they are doing. Seems
> like a problem waiting to happen.


Not if the fuse is up front, by the battery. A short further back will
just blow the fuse.

--
Joseph M. LaVigne
jlavigne@hits-buffalo.com
http://www.thelavignefamily.us/MyPipePages/ - 11/2/2006 4:46:43 PM
Tobacconist Brick and Mortar Database: http://bam.tobaccocellar.org/

A pipe gives a wise man time to think and a fool something to stick in
his mouth. -- Anonymous

Matt Ion 11-03-2006 01:21 AM

Re: 12 volt power supply
 
Art wrote:
> That was what I figured. Kind of hate to add a high amp wire the length of
> the chasis even if done by someone who knows what they are doing. Seems
> like a problem waiting to happen.


Not if it's done properly. This is common practice for high-powered stereo
systems, often with much larger wires carrying far higher current. Your purpose
shouldn't require anything bigger than 6ga. or at most 4ga. (see
http://www.engineeringtoolbox.com/am...uge-d_730.html) - imagine double-0
gauge wire over 3/8-inch thick!

Grommets anywhere it passes through metal, an appropriately-rated fuse at the
battery end, and all should be fine (be sure whoever does it upgrades the
battery's ground wire if necessary too - a too-thin ground lead defeats the
whole purpose). If nothing else, any decent car-audio shop should have the wire
in stock in their install bay and should have the job done in less than an hour.

Matt Ion 11-03-2006 01:21 AM

Re: 12 volt power supply
 
Art wrote:
> That was what I figured. Kind of hate to add a high amp wire the length of
> the chasis even if done by someone who knows what they are doing. Seems
> like a problem waiting to happen.


Not if it's done properly. This is common practice for high-powered stereo
systems, often with much larger wires carrying far higher current. Your purpose
shouldn't require anything bigger than 6ga. or at most 4ga. (see
http://www.engineeringtoolbox.com/am...uge-d_730.html) - imagine double-0
gauge wire over 3/8-inch thick!

Grommets anywhere it passes through metal, an appropriately-rated fuse at the
battery end, and all should be fine (be sure whoever does it upgrades the
battery's ground wire if necessary too - a too-thin ground lead defeats the
whole purpose). If nothing else, any decent car-audio shop should have the wire
in stock in their install bay and should have the job done in less than an hour.

Matt Ion 11-03-2006 01:21 AM

Re: 12 volt power supply
 
Art wrote:
> That was what I figured. Kind of hate to add a high amp wire the length of
> the chasis even if done by someone who knows what they are doing. Seems
> like a problem waiting to happen.


Not if it's done properly. This is common practice for high-powered stereo
systems, often with much larger wires carrying far higher current. Your purpose
shouldn't require anything bigger than 6ga. or at most 4ga. (see
http://www.engineeringtoolbox.com/am...uge-d_730.html) - imagine double-0
gauge wire over 3/8-inch thick!

Grommets anywhere it passes through metal, an appropriately-rated fuse at the
battery end, and all should be fine (be sure whoever does it upgrades the
battery's ground wire if necessary too - a too-thin ground lead defeats the
whole purpose). If nothing else, any decent car-audio shop should have the wire
in stock in their install bay and should have the job done in less than an hour.

Matt Ion 11-03-2006 01:21 AM

Re: 12 volt power supply
 
Art wrote:
> That was what I figured. Kind of hate to add a high amp wire the length of
> the chasis even if done by someone who knows what they are doing. Seems
> like a problem waiting to happen.


Not if it's done properly. This is common practice for high-powered stereo
systems, often with much larger wires carrying far higher current. Your purpose
shouldn't require anything bigger than 6ga. or at most 4ga. (see
http://www.engineeringtoolbox.com/am...uge-d_730.html) - imagine double-0
gauge wire over 3/8-inch thick!

Grommets anywhere it passes through metal, an appropriately-rated fuse at the
battery end, and all should be fine (be sure whoever does it upgrades the
battery's ground wire if necessary too - a too-thin ground lead defeats the
whole purpose). If nothing else, any decent car-audio shop should have the wire
in stock in their install bay and should have the job done in less than an hour.

Andy & Carol 11-03-2006 05:05 PM

Re: 12 volt power supply
 
Go to a Professional 2- way radio dealer...I was a installer in one for
years. Do not try to do it without info! I saw where a fire chief thought,
he knew it all, and installed a 50 amp light bar on his brand new fire red
pickup.

He was answering a fire call one day, when his truck caught on fire and
burnt,total,
before his own fire dept was able to put it out! He took # 12 solid wire,
from the battery, no fuse,
thru a ragged hole in the firewall, just a bad job! Don't take changes!

d
"Art" <begunaNOSPAMPLEASE@mindspring.com> wrote in message
news:Kao2h.970$L6.826@newsread3.news.pas.earthlink .net...
>I am thinking of installing a wheelchair lift in the back of my 2006
>Odyssey for occasional use. That would enable me to easily put my father's
>power chair in the back of the minivan once in a while. These things take
>about 20 amps. There are 3 12 volt (10 amp) power supplies in the minivan,
>and rather than permanently installing a wire to the battery as is
>recommended, since the lift will only be used once in a while, I was
>thinking of making a connector so I could connect all 3 power adapters
>already installed by the factory to the lift when I use it. I presume that
>3 times 10 amps will give me 30 amps which is 10 more than it needs. Not
>being an electronics genius, anyone knows if there is a problem with my
>idea? Thanks.
>




Andy & Carol 11-03-2006 05:05 PM

Re: 12 volt power supply
 
Go to a Professional 2- way radio dealer...I was a installer in one for
years. Do not try to do it without info! I saw where a fire chief thought,
he knew it all, and installed a 50 amp light bar on his brand new fire red
pickup.

He was answering a fire call one day, when his truck caught on fire and
burnt,total,
before his own fire dept was able to put it out! He took # 12 solid wire,
from the battery, no fuse,
thru a ragged hole in the firewall, just a bad job! Don't take changes!

d
"Art" <begunaNOSPAMPLEASE@mindspring.com> wrote in message
news:Kao2h.970$L6.826@newsread3.news.pas.earthlink .net...
>I am thinking of installing a wheelchair lift in the back of my 2006
>Odyssey for occasional use. That would enable me to easily put my father's
>power chair in the back of the minivan once in a while. These things take
>about 20 amps. There are 3 12 volt (10 amp) power supplies in the minivan,
>and rather than permanently installing a wire to the battery as is
>recommended, since the lift will only be used once in a while, I was
>thinking of making a connector so I could connect all 3 power adapters
>already installed by the factory to the lift when I use it. I presume that
>3 times 10 amps will give me 30 amps which is 10 more than it needs. Not
>being an electronics genius, anyone knows if there is a problem with my
>idea? Thanks.
>




Andy & Carol 11-03-2006 05:05 PM

Re: 12 volt power supply
 
Go to a Professional 2- way radio dealer...I was a installer in one for
years. Do not try to do it without info! I saw where a fire chief thought,
he knew it all, and installed a 50 amp light bar on his brand new fire red
pickup.

He was answering a fire call one day, when his truck caught on fire and
burnt,total,
before his own fire dept was able to put it out! He took # 12 solid wire,
from the battery, no fuse,
thru a ragged hole in the firewall, just a bad job! Don't take changes!

d
"Art" <begunaNOSPAMPLEASE@mindspring.com> wrote in message
news:Kao2h.970$L6.826@newsread3.news.pas.earthlink .net...
>I am thinking of installing a wheelchair lift in the back of my 2006
>Odyssey for occasional use. That would enable me to easily put my father's
>power chair in the back of the minivan once in a while. These things take
>about 20 amps. There are 3 12 volt (10 amp) power supplies in the minivan,
>and rather than permanently installing a wire to the battery as is
>recommended, since the lift will only be used once in a while, I was
>thinking of making a connector so I could connect all 3 power adapters
>already installed by the factory to the lift when I use it. I presume that
>3 times 10 amps will give me 30 amps which is 10 more than it needs. Not
>being an electronics genius, anyone knows if there is a problem with my
>idea? Thanks.
>




Andy & Carol 11-03-2006 05:05 PM

Re: 12 volt power supply
 
Go to a Professional 2- way radio dealer...I was a installer in one for
years. Do not try to do it without info! I saw where a fire chief thought,
he knew it all, and installed a 50 amp light bar on his brand new fire red
pickup.

He was answering a fire call one day, when his truck caught on fire and
burnt,total,
before his own fire dept was able to put it out! He took # 12 solid wire,
from the battery, no fuse,
thru a ragged hole in the firewall, just a bad job! Don't take changes!

d
"Art" <begunaNOSPAMPLEASE@mindspring.com> wrote in message
news:Kao2h.970$L6.826@newsread3.news.pas.earthlink .net...
>I am thinking of installing a wheelchair lift in the back of my 2006
>Odyssey for occasional use. That would enable me to easily put my father's
>power chair in the back of the minivan once in a while. These things take
>about 20 amps. There are 3 12 volt (10 amp) power supplies in the minivan,
>and rather than permanently installing a wire to the battery as is
>recommended, since the lift will only be used once in a while, I was
>thinking of making a connector so I could connect all 3 power adapters
>already installed by the factory to the lift when I use it. I presume that
>3 times 10 amps will give me 30 amps which is 10 more than it needs. Not
>being an electronics genius, anyone knows if there is a problem with my
>idea? Thanks.
>




Matt Ion 11-04-2006 12:31 AM

Re: 12 volt power supply
 
Andy & Carol wrote:
> Go to a Professional 2- way radio dealer...I was a installer in one for
> years. Do not try to do it without info! I saw where a fire chief thought,
> he knew it all, and installed a 50 amp light bar on his brand new fire red
> pickup.
>
> He was answering a fire call one day, when his truck caught on fire and
> burnt,total,
> before his own fire dept was able to put it out! He took # 12 solid wire,
> from the battery, no fuse,
> thru a ragged hole in the firewall, just a bad job! Don't take changes!


Oooooo that smarts!

As I stated before, any "good" car-audio shop should be able to do the job as
well, as they'll be experienced with, and have the wire and accessories for,
high-current installations.

One other thought, though, Art: you may want to consider using a separate
battery with a battery isolator to run your lift. The isolator will allow both
batteries to be charged normally, while preventing the lift from draining your
main battery and potentially leaving you stranded. Again, any high-end
car-stereo shop should be able to do it for you, OR a place that does camper
installs/conversions, which is probably the most common use of isolated
two-battery setups.


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