[Vwdiesel] GAS TO DIESEL IN AN 85 JETTA

[Dave Cook]

That is a super-fancy version of what I did in my Cabriolet years ago.  IIRC, I just hooked four separate wires (different colors) with a longer bolt to the one fuse on the firewall.  That was inspired by someone's post on this list back then.

For the fuel solenoid, when I converted my Cabriolet, I extended the wire that powers the coil.  Worked perfectly.

For the glow plug relay system, I simply pulled the relay socket and it's wiring out of the donor car, noting where the wires went and it was easy to use a wiring diagram to hook them up to similar places on the Cab.  Pretty simple.

However, IIRC, it is just like any regular relay with a couple more wires.  So one of the big fat red wires goes to the battery, the other goes to the glow plugs.  Then you'll need to ground the ground wire (easy!), tie into the ignition switch wire (I think I just found one under the dash that was energized with the switch on), run a wire to the temp sensor on the engine, and run a wire to a light on the dash.  Until I found a turbo diesel cluster (I wanted an easy, stock tach solution instead of doing it like Roger's which is also good), I had that running to the EGR light on the dash cluster.  

Spend a little bit of time studying the wiring diagrams of the donor car and the recipient and you'll be able to see if my relay description was right or not!  Ha ha, I think that is right but it has been several years and I'm going by memory.

 
Dave Cook


________________________________
 From: Robert Downes <bobdownes at gmail.com>
To: vw fans <vwdiesel at vwfans.com> 
Sent: Friday, June 8, 2012 10:01 AM
Subject: Re: [Vwdiesel] GAS TO DIESEL IN AN 85 JETTA
 
Better yet for the glow plug wiring, add FOUR fuses to the GP power side,
for future ease of troubleshooting and service

http://vincewaldon.com/index.php?option=com_content&task=view&id=30&Itemid=28

-Bob

On Thu, Jun 7, 2012 at 4:51 PM, <lbaird119 at aol.com> wrote:

>
>  I've ordered the replacement adjusters.  I think it was via dealer but
> not positive.  May have been aftermarket through my supplier.  Seems like
> it was about $7 each.  Luckliy I only needed one or two but still way
> cheaper than a new light, especially for the Quattro.
>
> I seem to recall that the fuel stop solenoid power works nicely from the
> gasser's distributor or coil wiring.  Fuel pump relay is basically
> what/where the GP relay goes, not postive if wiring is larger for the glow
> plugs...  Easy to utilize it or something similar, along with a relay and
> either a push button or if, like me, you prefer the automatic-ness of the
> glow plug relay, it's not that hard to wire stuff up if you have a copy of
> the wiring diagram.
>    Loren
>
>
>
> -----Original Message-----
> From: Gerald Hughet <ghughet at hotmail.com>
> To: vwdiesel vwfans dot com <vwdiesel at vwfans.com>
> Sent: Thu, Jun 7, 2012 10:01 am
> Subject: [Vwdiesel] GAS TO DIESEL IN AN 85 JETTA
>
>
>
>  have moved a diesel engine from a Rabbit, hooked up to a 5 speed tranny
> with a
> ew clutch and pressure plate into an 85 Jetta.
> Probably normal problems making this switch including but not limited to
> the
> irection of the input hose into the radiator not to mention that the upper
> adiator hose for diesel has that small hose branching off and going to the
> eservoir tank.  (Coolant system is done.)
> Anyway, any one that has done a job like this could probably save me a
> bunch of
> ime by letting me know how you solved the source for the electrical supply
> for
> he glow plugs, the electrical for the injection pump and any other
> electrical
> 'm not even thinking about yet.
> I've removed the fuel pump and filter from the gasoline system but
> retained the
> nternal fuel tank pump.  Haven't, as of yet, gotten the fuel lines spliced
> in
> or my supply and return.
> What's a good source for the plastic adjustment fittings for the
> headlights?
> Is there any other problems I haven't even considered yet?
> I'll appreciate any knowledgeable insights.
> Gerry
> ndianapolis
>
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