Bill560 Posted July 25, 2003 Posted July 25, 2003 A friend of mine called me today because he had his car SC400 jump started and when he went to drive away the odometer was at 0! What happened here or whats the fix? He said that he left the cables on after the car started to charge for some stupid reason! I'm sure it was the extra charge going through but.....?
SPORTcoupe300 Posted July 25, 2003 Posted July 25, 2003 Umm..... 1) if my odometer went to 0, i would NOT be complaining. 2) It is probably showing either trip A or trip B so just hit the button that changes it to the odometer and all should be well. 3) If the odometer really did reset to 0 somehow and has started to climb, CONGRATS! You now have a low mileage car. If i'm not in the least bit funny, feel free to let me know. :P
jzz30 Posted July 26, 2003 Posted July 26, 2003 there is no "extra" charge going through its just like using that other battery to start the car. when you hook up batteries with a positive to positive and negative to negative you just get more capacity not more voltage
SKperformance Posted July 26, 2003 Posted July 26, 2003 i am not sure i am reading both earlier posts right so feel free to corret me if i am interpreting it wrong but when a car is boosted it can start of the others cars battery fine without having the good car running only time it helps is if the dead one is connected with crappy cables causeing a low currrent flow thus the donor cr having to slightly charge the battery first to turn over the dead car i would have to disagree without there being an increase in power as when a donor (running) car is connected to a dead one it is normally at max voltage and current trying to keep itself going and tehn trying to charge another dead battery as well as resistance from the cables now once the dead one starts it will see a low voltage situation and also go to max voltage sort of like a tug of war at this point the weaker alt will usually die after time as tehre is a diode in all alternators called a zenor diode which controls flow but can be over powered and die eventually from forced current from this exact situation the spike caused by this is usually not enough to cause a ecu to lose its memory though
jzz30 Posted July 26, 2003 Posted July 26, 2003 yea crappy cables with even 0.1 ohms ov resistance would cause a voltage drop of 10 volts so if you have junk wires than the car wont start
Bill560 Posted July 27, 2003 Author Posted July 27, 2003 Funny is good no problem here! AH, but the truth comes out a little more on the odometer problem. It wasnt another car, it was a booster box he got the jump from! Could this cause a spike in power and kill the od? It's at the dealer now so I will post back when it's found out! Low mileage is good but when the title states 100,000 miles and you show up with 10, theres a problem!
Bill560 Posted July 27, 2003 Author Posted July 27, 2003 Cant do that here! The RMV people would have a melt down!
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