Rick..........You're not going to "smoke" anything. I farted around with
mine for 20 minutes with the alligator clips before I figured out how it
worked. See my other message on the web today........Jim Davis
- -----Original Message-----
From: RickStapls
To: gmcmotorhome
Date: Wednesday, July 15, 1998 11:56 PM
Subject: Re: GMC: Advice on tuning for high altitude please?
>>If you or
>>any of the other troops want, I'll give you a listing of older GMC
vehicles
>>that have the auxiliary vacuum pump on them. I purchased mine for a whole
>>ten dollars in the local junkyard.
>
>Jim,
> I picked up one of these pumps in my local boneyard (paid $25, that's
>Boulder for you) but I need a wiring diagram/info to hook it up correctly.
I
>got all the associated vacuum fittings including a separate vacuum switch
that
>was mounted near the booster diaphragm. (82 J2000). Investigating my
>treasure when I got it home, I found a built-in vacuum switch and a circuit
>board with transistors etc mounted on the pump itself. Further clouding
>things, the pump connector has a 4-wire connector with only 3-wires used.
>Not wanting to smoke any semiconductors, I put it on the back burner for
now.
> Question: do you or anyone else here have complete wiring info/diagrams
for
>this setup? Maybe Patrick could post them on his site? TIA.
>
>Rick Staples
>
mine for 20 minutes with the alligator clips before I figured out how it
worked. See my other message on the web today........Jim Davis
- -----Original Message-----
From: RickStapls
To: gmcmotorhome
Date: Wednesday, July 15, 1998 11:56 PM
Subject: Re: GMC: Advice on tuning for high altitude please?
>>If you or
>>any of the other troops want, I'll give you a listing of older GMC
vehicles
>>that have the auxiliary vacuum pump on them. I purchased mine for a whole
>>ten dollars in the local junkyard.
>
>Jim,
> I picked up one of these pumps in my local boneyard (paid $25, that's
>Boulder for you) but I need a wiring diagram/info to hook it up correctly.
I
>got all the associated vacuum fittings including a separate vacuum switch
that
>was mounted near the booster diaphragm. (82 J2000). Investigating my
>treasure when I got it home, I found a built-in vacuum switch and a circuit
>board with transistors etc mounted on the pump itself. Further clouding
>things, the pump connector has a 4-wire connector with only 3-wires used.
>Not wanting to smoke any semiconductors, I put it on the back burner for
now.
> Question: do you or anyone else here have complete wiring info/diagrams
for
>this setup? Maybe Patrick could post them on his site? TIA.
>
>Rick Staples
>
