From: Sonny Heath (sonny@defuniak.com)
Date: Tue May 23 2006 - 21:02:18 PDT
Thanks, now it makes sense, to me.
Sonny
----- Original Message -----
>
This archive was generated by hypermail 2.1.4 : Tue Jul 18 2006 - 21:45:53 PDT
From: "Chance Wolf" <bigbadwolf@telus.net>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Tuesday, May 23, 2006 10:23 PM
Subject: Re: [MV] HMMWV Protective Control Box
> ----- Original Message -----
> From: "Sonny Heath" <sonny@defuniak.com>
> To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>; "Chance Wolf"
> <bigbadwolf@telus.net>
> Sent: Tuesday, May 23, 2006 7:19 PM
> Subject: Re: [MV] HMMWV Protective Control Box
>
>
>> I hope this post makes sense to someone, but it dosen't to me.
>>
>> Sonny
>
> Sonny, in the HMMWV/Hummer/Humvee they have a black box under the
> dashboard
> which contains a circuit board and a few relays called a "Protective
> Control
> Box", or "PCB", which interfaces to the rest of the HMMWV via two nice big
> thick harnesses ending in Amphenol/Cannon connectors. They have relays
> which run your starter and turn on your glow plugs and activate your glow
> plug WAIT light and make/break the connection from your alternator to your
> battery and a whole lot of other nifty things provided they're working,
> but
> many...uhhhh..."don't show up for work." One of the local HMMWV owners
> just
> had his retire permanently in true Viking Funeral tradition, so he asked
> me
> to help him source a replacement now that Kascar - one of the most
> accessible suppliers of NOS and used HMMWV stuff - has decided that you
> cannot buy military-designed HMMWV stuff off them unless you have someone
> to
> salute (wives need not apply.)
>
> The next time I have a PCB failure I'm going to install discrete
> (accessible) relays and bin the whole PCB concept. It can quite seriously
> Go Directly To Hell. Do Not Pass Go. Do Not Collect $200.00 I hate
> looking stupid on set with my alligator clips and probes and leads and
> junk
> trying to bypass whatever the PCB's decided to go On Strike over for the
> sake of a service modularity concept which in my own case doesn't apply.
> Throwing out 200 bucks worth of Box for a $5 relay is just not on.
>
> Thanks to all who replied with their own stock/availability. I have to
> let
> buckwheat make the decision before I buy one, and he hasn't gotten back to
> me yet.
>
>
>
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