JUMP, Bone Head, Jump thru the hoop that I'm holding JUST for you

From : transurgeon

Q: on tue 23 aug 2005 040213 gmt max dodge max340@verizon.net wrote lets forget all the little biy squabling and answer the ops question. the voltage must be checked across the battery posts - pos to neg. if the voltage is within spec under 14.6 with a fully charged battery and the battery still boils the battery is shot. checking from pos to engine or body ground will generally give a higher voltage if the ground is bad. if the wire from the alternator output has high resistance measuring from the alt output t0 ground will give a higher reading than across the battery. no shit and this is what i was saying all along. the voltage however does not have to be measured across the terminals in this case because as your examples have clearly demonstrated the voltage will not be higher at the battery than at these other measurement points and we are looking for an over voltage condition at the battery. no num