in any case John,
find out if the green tack wire is electrically connected to terminal
"1" of the coil.

On 1/9/2014 1:36 PM, JRodgers wrote:
> There are three connectors. One is a double unit that can go in only one
> place. The other two - both female connect to any one of the three +15
> terminal spades which are mounted to the +15 terminal coming out of the
> coil.
>
> Other than pulling from one coil and plugging to the new one - nothing
> is different - just that the tach doesn't work.
>
> Thanks,
>
> John
>
> On 1/9/2014 3:25 PM, ddbjorkman@verizon.net wrote:
>>   Just because it is a Bosch coil and spec'd for the Vanagon does not
>> necessarily mean the spade connectors are the same.  Did you check the
>> connection numbers on the tach or just put the wires in the same place?
>> It could be something as simple as a wire in the wrong place.
>> Dave B.
>> On 01/09/14, JRodgers<jrodgers113@GMAIL.COM> wrote:
>> What's up with this??
>>
>> I replaced the coil on Volksiebus with a brand new Bosch coil - VW
>> spec'd. The tach worked right up to the point of change, when I
>> disconnected the wires, installed the new coil, and reconnected the
>> wires.
>>
>> Engine starts and runs fine - but for the tach - NO JOY!
>>
>> Anyone got any ideas. Everything appears as it should be. It's all
>> wired back up exactly like the original coil - wires same places. But no
>> tach.
>>
>> I haven't done this yet - but I can do a voltage test from the +15 pin
>> to ground without blowing something up, can I not. Been a long time
>> since I've had a meter out for anything but a continuity check.
>>
>> Suggestions appreciated.
>>
>> Thanks,
>>
>> John
>