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Old Apr 7th, 2020, 08:48   #5
IainG
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Last Online: Yesterday 21:23
Join Date: Apr 2013
Location: Plymouth
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Hi

Quote:
Originally Posted by Zebster View Post
There is a battery charge sensor built into the car's battery negative connection (as a series element with a tiny resistance) to measure the flow in and out of the battery to keep the car's battery monitoring system updated. It's OK to connect the charger positive lead directly to the battery, but if you connected the charger negative directly to the battery then you'd be bypassing the charge sensor and so the car would lose track of the battery condition.

I attach the charger negative croc to one of the EGR valve bolts (connecting to the engine is just as good as connecting to the body).
Just a thought, is that sensor actually monitoring when the car is in a locked and shut down state? (When it is asleep)
Just wondering
Iain
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