Vehicle & Technical > Range Rover

Suddenly no spark

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anaxemurderer:
Ah right, i thought that was called the ballast resistor? Its tiny, like 20mm by 10mm and attached to one of the coil terminals.

I haven't had the distributor out and still not done much investigating cause im still stuck on my own. Took stupid rubber cover of the cap today and swapped it for a spare (the terminals where full of corrosion). Going to do some to it in the dark this evening!

But yeah rotor arm and points look ok, might just buy new ones anyhow (cheap enough after all and it can't hurt).

Thanks

Nick

Range Rover Blues:
Crieky, you've got points :-.

In that case you might well have a ballasted coil too.  Here's a thought, it's not rocket science to upgrade to an EFi dizzy which is electronic and gives a better spark.

Note to all, when removing the rotor arm you should try to hold the guts of the dizzy down with a screwdriver otherwise you can break the mechanical advance mechanisim by pulling the arm off the top of it.

anaxemurderer:
Yeah sorry thought that might be what you were thinking, i assumed that when i said 3.5 on carbs you would think points not efi. Hence my confusion over the lack of ignition amp.

I have considered changing to efi dizzy or lumenition etc but can't really be bothered. Im running it on a very cheap budget. I believe i have sourced it to the condensor anyhow (which was one of my original thoughts), and as thats only £1.50 I think i can stratch that far (might even get a spare).

Interesting point about the rotor arm thing, didn't know that. Strikes me as a particularly bad design, especially as its an item that gets removed/changed fairly regularly.

Thanks for your help anyhow

Nick

ps I dare say electronic might be more reliable, would it cope better with water. (its definately an offroad truck so water is an issue!)

Range Rover Blues:
Possibly it woould be more reliable, you certainly wouldn't get the point corrosion plus with a good set fof leads the stronger spark would be useful, might make a bit of difference to the economy too :-k

forestrynick:
Ah ha... success! It lives

I decided i'd pretty much swap out everything, new points, rotor arm, cap and condensor. Coil is pretty much new anyhow and im pretty sure it was actually the condensor (though points weren't good). Wouldn't go straight away but at least had spark between leads and block, so cleaned up the plugs and away she went.

In fact it was a pretty productive afternoon, fitted new wheel bearings to drivers front hub and new trialing link bushes. Just have to repair a bump stop tomorrow and I'l take it for a spin.

Hurray for having a working truck

Thanks for help

Nick

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