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Subject:HOT COIL
From:Scott Hall
Date:Mon, 15 Feb 1999 15:20:12 -0600

Das Boot calling again,
1986 Westy,  Digifant injection:
Coil resistance measurements between terminals 1 and 15 are within specs.

I had the ignition switched on while doing the tests for the Hall sender and the ignition switching function.   

Hall sender is receiving 11 volts--(Bentley says a minimum of 10 volts.)

Per the Bentley:
With voltmeter connected to terminals 1 and 15 on the coil I get a reading of 6 volts with the ignition switched on.  Connecting the center terminal of the electrical connector for the distributor to ground actuates the fuel pump and causes the voltage to jump to 8-9 volts and then return to 6 volts.
The Bentley doesn't mention anything about a constant 6 volts.  It only asks for a brief jump to 4.5 volts when grounding the center connector for the distributor.
In addition, if the ignition switch is left on, the coil will start heating up.  After a few minutes it will be too hot to touch.

Are the voltage readings I obtained within specs? 
Should the coil get hot if the ignition switch is left on?
Thanks
Dan Hall
'86 Westy

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