Re: Jeep Grand Wagoneer AMC 360 V8 electrical/alternator Question

[Matt Haas <mhaas@xxxxxxx>]

Greg,

You need to watch tying directly in to the wire coming off the back of the 
alternator. Some alternators use it to sense how much power is in the 
battery and tapping into it could cause charging problems. As others have 
said, your best bet would be to use a relay. Fuel pump relay's are 
inexpensive and designed for continuous duty.

Matt

At 06:14 AM 9/29/2005 -0700, you wrote:
> Hi Everyone,
> I have a technical question about the electrical system on my 1989 Jeep Grand
> Wagoneer.  I want to know if the power feed/output on the alternator is LIVE
> all the time (directly connected to battery) or if it only has juice 
> to/from it
> when the ignition is on and engine running.
>
> I have built a home-made hydrogen generator (which works!) and have installed
> it on my Jeep.  I WAS running juice to it from the additional lead at the
> ignition coil, but it's drawing too much juice away from the coil, so that the
> coil is not fully charging under load.  When I hammer the gas peddle down, the
> engine stutters.  Under normal load it's fine.  After unhooking the Hydrogen
> unit, the ignition coil functions properly under load.
>
> So, basically, I am looking for a good place under the hood, to hard wire the
> Hydrogen unit, so that it is hooked into and Ignition ON wire and OFF when the
> Jeep isn't running.  I thought that the alternator would be the best place for
> this, pending the wire isn't HOT when the ignition is off.
>
> Please email me back at <amundaza@xxxxxxxxx> ... Thanks for any help/pointers
> you all provide!
>
> Sincerely,
> Greg Taylor  :)   <><
> Rochester Hills, Michigan USA

mhaas@xxxxxxx
Cincinnati, OH
http://www.mattsoldcars.com
1967 Rambler American wagon
1968 Rambler American sedan
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