[Icom] Toyota firewall

[W8OKN]

I have a '99 Camry.  In using the "power plug" I saw a 2 volt drop in power.
When I attached directly to the battery, I saw a .3 volt drop on transmit.
This is a 50 watt mobile rig.

Photos are available, to show you what I ended up doing.

Sean
----- Original Message ----- 
From: "Chris BONDE" <ve7hcb@rac.ca>
To: <icom@mailman.qth.net>
Sent: Tuesday, May 20, 2003 12:46 AM
Subject: Re: [Icom] Toyota firewall


> I was not too explicit on what I meant by the following.
>
> "I plan on using the power plugs, ie, the extra cigarette lighter plugs to
> run it.  I would like to remove the ash tray and use that area to put the
> face plate in.  Has anyone tried this?"
>
> I would use the power plug not the cigarette lighter.  As I donot smoke,
> the ash tray with cigarette lighter is expendible.  The lid therefor a
good
> thing to hide a faceplate, or, a small device.  The power plug is marked
> max 12V / 120W.  I think that it would handle a 50w TRx.
>
> Chris opr VE7HCB
>
>
> At 10:09 AM 2003-05-19 -0500, you wrote:
>
> >  It is not the 13.8V that is the problem.  It is the current drawn
through
> >these little adapters.  I would suggest that just for grins, you take
this
> >thing apart and examine the spring.  What size wire is this thing?  It
sure
> >is NOT 10AWG wire. After a period of time, this little spring, with
> >sufficient current, gets warm.  Continued warm, with an occasional hot,
> >means the spring begins to lose its tension.  After a period of time, it
> >becomes a resistor.  Now, go to your radio and measure the 13.8V under
load
> >(key down) and see if you have 13.8.!  Would bet you are seeing more like
10
> >or 11V.  Now, you can calculate the resistance value of your spring.  3V
at
> >maybe 5A..!!
> >
> >Nice low loss spring.!  No wonder your audio sounds horrible and your HF
> >comments of sounding like you are FM'ing...!  Now do you understand why
> >these things are not worth a tinkers #$^@ for a 100W HF system.!?
> >
> >OK...your system works fine off the lighter outlet.  You are probably
> >drawing less than a couple amps.  This is ok, but don't press your luck.
> >
> >Best be safe and find a way to get power from the battery.  In my case, I
> >ran along the firewall and over the fender (inside the engine cavity)
down
> >the door sill leading edge.  Then into the passenger compartment and back
to
> >the trunk.  Took a little doing and words, but it is done.  Would I do it
> >again, sure would.
> >
> >My Cig lighter plug is for charging the cell phone when needed.
> >Not radios..!
> >
> >73
> >
> >Bill, W0LPQ
> >----
> >Your Moderator: Dick Flanagan W6OLD, icom-owner@mailman.qth.net
> >Icom Users Net: Sundays, 1700Z, 14.315 MHz
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>
>
> ----
> Your Moderator: Dick Flanagan W6OLD, icom-owner@mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.315 MHz
> Icom FAQ: http://www.qsl.net/icom/