Benching ecms - shift light and cyl # select

[Bruce Plecan]

-----Original Message-----
From: Jason Weir <jweir at worldnet.att.net>
Subject: Benching ecms - shift light and cyl # select



>Output from A7 is it +12V, or does it ground when on?

It grounds to apply the TCC or turn on the shift light.  Just use a 
dash bulb, no 1157 type.

I want to run a 12V
>bulb off of it?

Keep it simple.

>>     Also, the cylinder number select is in the prom on the 747's.
>>   I've tried several netres, and they don't affect the rpm displayed
>> whereas proms do affect it.
>
>Anyone know the address, if its not in the code, where one might find
>the cyl # select? and what the values would be for 8 cyl, 6 cyl, ???4
>cyl??? 

It's not in the code, as far as I can tell
Bruce

  thanks for the info... JTW
>
>Jason Weir