Vehicle & Technical > Discovery
Battery Charging Problem (Help)
chris9119:
Can anyone assist...... the story so far.....
I have two batteries on BB. The second battery serves all of the lights, invertors, etc, etc, etc.
The alternator is delivering 14.22 volts and this is reaching the second battery (via split charge relay). However, it was on delivering 12.6 volts to the primary battery (not via split charge). I removed all connections and cleaned up, replaced normal washers with star washers on all connection points (alternator, staarter, etc, etc).
Voltage on main battery recorded at 13.2 volts. However, after doing 30 miles with fan and radio on, if I turn it off, the starter clicks, but will not spin to start. I put jump lead across live terminals (primary and secondary battery, and he starts.
Battery testers says battery is fine......therefore, why am I not getting 14.22 volts to primary battery and why is 13.2 volts not enough to keep battery topped up.
Any assistance would be helpful.... Thanks in advance :?
Chris
gords:
The battery in my Discovery worked fine at first, but it slowly started to strain and only just start.
The local battery garage checked it a couple of times with their tester and it said the battery was fine.
Eventually, I put a new battery in and the poor starting went away immediately! So, just because the tester says it's OK doesn't mean it actually is :roll:
beast5680:
check its definatly the battery and not the starter playing about, have you swopped over the batterys and tried it?
Andy.:
--- Quote from: "beast5680" ---check its definatly the battery and not the starter playing about, have you swopped over the batterys and tried it?
--- End quote ---
Was going to suggest the same, swapping the batteries over :?:
Good luck and let us know the out come.
hobbit:
Another thing would be try and connect a new earth cable from the main battery to the engine itself. Might be a weak earth strap somewhere
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