Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:Re: Fixed Re: Progress, Puzzle on "Fuel pump won't work"
From:OlRivrRat
Date:Mon, 23 Apr 2018 22:14:33 -0600

Zoltan

        The Right & Proper thing to do @ this point is to let everyone know what the Fix was ~

On 23 Apr , 2018, at 4:27 PM, thewestyman wrote:

> I got the problem fixed, thanks for all the input.
> Zoltan
> 
> -----Original Message-----
> From: Neil N
> Sent: Monday, April 23, 2018 10:20 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: Progress, Puzzle on "Fuel pump won't work"
> 
> Because you changed the alternator voltage regulator.....
> 
> Could the alternator voltage regulator be blocking positive flow to fuel
> pump 30 while engine is off and while the starter turns the engine?
> 
> Or, maybe something else inhibits positive flow to fuel pump relay 30 while
> alternator is at rest or spinning slowly while starter turns the engine but
> once the engine starts and runs using the bypass from battery to fuel pump,
> with the alternator now spinning faster, it actually puts out enough power
> to overcome whatever was inhibiting flow of positive?
> 
> Neil.
> 
> 
> 
> On Wed, Apr 18, 2018 at 11:14 AM, thewestyman <zolo@foxinternet.net> wrote:
> 
> 
> 
>> I posted a couple of days ago that on this 1990 van the fuel pump stopped
>> working after I put in an other engine.
>> The only electrical was involved; the wires wore disconnected on the
>> starter, and the voltage regulator was changed to a new one.
>> And I drove this van before.
>> 
>> There is no power on the fuel pump relay as it should be at all time while
>> the key is out.
>> 
>> Now, I powered the fuel pump with a wire from the positive side of the
>> battery and it worked without needing the ground, which it has already.
>> This way the engine could start up and work fine.  The interesting part
>> is, that if I remove that wire when the engine is running, it still works
>> fine.
>> 
>> 
> 
> 
> --
> Neil n
> 
> Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca>
> 
> 1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy>
> 
> 1981 Westfalia "Jaco" Images, technical <http://tubaneil.googlepages.com/>
> 
> Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>