'86 Vandan Plas XJ6 no start

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Oct 4, 2024 | 05:44 PM

#21

Doug

Veteran Member

Joined: Mar 2008

Posts: 25,525

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From: Pacific Northwest USA

Quote:

Originally Posted by packetthrower

David,

With all original bits put back in. I have a running car. This car did not run when using a jumper before but now it does with the original coil and ignition module. It sputtering but it started and is running.

What would be your suggestion?

I see yours is one of the ones made with a ballast resistor.

Did you run your jumper wire to the resistor or directly to the coil "+" post? Just wondering.

Sometimes the resistors give trouble.

Cheers
DD

Oct 4, 2024 | 07:30 PM

#22

packetthrower

Thread Starter

Junior Member

Joined: Mar 2022

Posts: 17

Likes: 0

From: USA

Quote:

Originally Posted by Doug

Doug,

Yes, mine did come with that ballast resistor. I have yet to try starting the car without it. I went directly to the ignition Coil Positive post, pinched the jumper wire under the ballast resistor, and tightened it.

Oct 4, 2024 | 08:02 PM

#23

David84XJ6

Senior Member

Joined: Dec 2011

Posts: 782

Likes: 459

From: Central California

Good catch Doug, I missed that.

The New Rock Auto ignition coil should replace both the old ignition coil and it's ballast resistor. If you left the resister in the electrical loop, I suspect there would not be enough current for a spark. A newly manufactured Ignition coil of .9 ohms would not require a resister, the older designed .9 ohm coils needed the ballast resister.

Rgds
David