[DML] Idle cycles from 750 to 1200 RPMs after Alternator Swap and overheat problem

["cahamond" <cahamond@xxxxxxxxxxxxx>]

Last week I ordered a replacement alternator from DMC Houston.  The 
Ducy I had was overcharging the battery and I had to replace battery 
as well... The model of alternator I got from Houston is a 
Delco....  Warren sent me a copy of the Service Bulletin for 
replacing the alternator....  I also checked the archive messages 
here as well.... I didn't want to cut all the wiring back to the 
wiring harness plug, so I capped off the brown wire down by the 
alternator and connected/spliced the new single wire plug that came 
with the new alternator to the yellow/brown wire.  So, I have 2 
questions.  1. Is this the correct procedure from going from a 2 
wire connect to the 1 wire connection??? and 2. If this is, why is 
it that now my idle constantly cycles from 750 to 1200, the engine 
is rough and now my fans don't kick on until 240 degrees?  I have 
the fanzilla installed and have never had any problems with it. None 
of this happened until I swapped out the alternator??? Is this just 
a coincidence that all this happened after the swap??? Can you all 
point me in a direction to start looking for the problem?  Thanks.




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