Thread: Electrickery question

Originally Posted by PLR

G`day ,

if a phase 2 BA model 84 with the tacho dash , coz you`ve not found it under the bonnet i guess it is ?

The fuses are under the rectangular cover on the pass side , which is the opposite place to where the hazard , interior , fog , heater switches are .

White wire from pump past rear heater branch past ignition amp branch to ignition switch .

Black wire from pump to capacitor .

If the pump runs all the time as you say and it uses carbys it should not be able to run on lpg unless something else is amiss because they won`t run both fuels at the same time , it would be usual for an EFI car to have the pump run all the time ?

It has a solenoid petrol cut off when on LPG, but even so the pump still ran.

Originally Posted by bee utey

It's common to leave an EFI pump running to keep the injectors cool but carby engines have a solenoid valve before the carbies to stop the fuel flow, whether its from a mechanical or electric pump or just gravity from a steep downhill or rapid stop.

In this case I would simply run a totally new feed to the fuel pump tapped into the connector for the petrol shut-off solenoid with a suitable 5A line fuse. When the petrol is switched on the pump comes on. Simple.

That is what I had in the back of my mind, I just didn't want to go overlloading a solenoid switch feed wire by putting a pump on it! But if you reckon its OK, then certainly it is.

Thanks to you and all who have advised.

Originally Posted by snowbound

That is what I had in the back of my mind, I just didn't want to go overlloading a solenoid switch feed wire by putting a pump on it! But if you reckon its OK, then certainly it is.

Thanks to you and all who have advised.

Most carby type gas changeover switches can handle a bit more than just one petrol solenoid as they are already switching 3-4 solenoids (up to 5 amps) on the gas side. A carby fuel pump doesn't draw that much current.

Originally Posted by cdbanks

imgur: the simple image sharer

Now days I just sit in the car listening to "The End" by The Doors muttering to myself.

the horror..

I'm not quite at your level . . . yet . . .



For the OP, here's a photo of my fuse box. Yours should be the same unless that's when they changed. It's that little grungy thing in the centre.

Originally Posted by Davo

I'm not quite at your level . . . yet . . .



For the OP, here's a photo of my fuse box. Yours should be the same unless that's when they changed. It's that little grungy thing in the centre.

Thats it? WTF I was looking for something with about 10 fuses in it. No wonder the wiring fails LOL I haven't had a chance to re investigate the location today due to work but at least now I know what i am looking for!

Nice photos BTW, good luck sorting that lot out!

Originally Posted by bee utey

Most carby type gas changeover switches can handle a bit more than just one petrol solenoid as they are already switching 3-4 solenoids (up to 5 amps) on the gas side. A carby fuel pump doesn't draw that much current.

Awesome. Thanks!

Hee hee! Yup, welcome to vintage motoring. I've actually got a loose connection there that would cut out all the things that keep the engine running, like the ignition and the fuel pump. I used to be able to wiggle it and then it would be fine, and it hasn't acted up in a couple of years. But since I'll be pulling the dash apart, I suppose the smart thing would be to replace the fuse box with a bigger one . . . oh, well.

Well, I found the fuses! Was behind a panel on the dash that I thought was a blank for a radio or something! Also, I have rewired the fuel pump from the petrol cut off solenoid as "authorised" by Bee Ute Now it is better than previously as the pump isn't running when on gas!.

Thanks to all who helped.

Jez