Ignition coil woes

[amalventano@sc.rr.com (Allyn)]

- may have inadvertently installed a different coil
- resistor for our cars is built into the rotor
- do you have an exhaust leak at the flexible coupling? that tends to overheat
coils and kill them.
Al

----- Original Message -----
From: "Beavis Aunins" <aaunins22@hotmail.com>
To: <scirocco-l@scirocco.org>
Sent: Wednesday, December 11, 2002 10:02 AM
Subject: Ignition coil woes


>
>
> Hi everyone,
>
>      I recently installed new platinum plugs on my 87 16V.  The old F6DTC
> plugs looked dark and carbon fouled which led me to check some of the other
> components of the ignition system.  I recently replaced the cap and rotor on
> the distributor, and the plug wires all tested fine with an ohm-meter.  The
> timing was correct also.  The distributor is only a couple of years old,
> with no leaks, etc...A spark test showed a orange spark instead of a healthy
> blue.
>      However when I tested the resistance of the coil as outlined in the
> Bentley manual, I got some strange readings.  The resistance of the
> secondary circuit between terminal 15 + and the center tower was 3000 ohms (
> the manual says 6-8000), and the primary circuit resistance between terminal
> 1 - and 15 + was 1.8 ohm (the manual says .6-.8).  This is the second coil I
> have put in my car.  I replaced it about a year and a half ago for not
> having the correct resistance readings, although I can't remember what they
> were before.
>      Would having these readings cause a weak spark which could potentially
> be causing my problem?  What could be causing my coil to go bad? Do these
> cars have a resistor wire that goes to the coil?  Any help would be greatly
> appreciated.
>
> Thanks in advance,
>
> Aaron
>
>
>
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