Negative terminal is grounded to the vehicle. Because the system is a negative ground system. Electricity will not flow unless it has a path to ground.
Most new automobiles today use a single 12 VDC electrical system with the negative terminal of the battery grounded to the frame of the auto.
You disconnect your negative (-) battery terminal and connect one of the meter's probes to the (-) battery cable and the other terminal to the (-) battery post. Set your multimeter to mA/A and select DC.
I assume you mean the side post batteries used typically by GM vehicles. There is a small bolt in the middle of the side post terminal. Remove the bolt and the cable will be disconnected. NOTE! Remove the negative tereminal first to reduce the potential for shorting out your tools and potentially burning you.
It is too complicated to explain here. Click the link.
The circuit won't do anything until both terminals of the battery are connected to the correct [two different] points in the circuit. As long as either terminal of the battery remains disconnected, the circuit is "OFF".
Yes
The negative terminal is grounded to complete the electrical circuit, all other negatives in the vehicle i.e. lights, switches, etc are grounded so it really just saves a lot of wire and makes running wire easier and more convenient.
To jump-start a Volvo XC90, first ensure both vehicles are turned off. Connect the positive (red) jumper cable to the dead battery's positive terminal and the other end to the donor battery's positive terminal. Next, attach the negative (black) cable to the donor battery's negative terminal and the other end to a grounded metal part of the XC90, away from the battery. Start the donor vehicle, then attempt to start the XC90.
To jumpstart a Bentley Arnage, first ensure both vehicles are off and parked close enough for the jumper cables to reach. Connect the red cable to the positive terminal of the dead battery and the other end to the positive terminal of the working battery. Then, connect the black cable to the negative terminal of the working battery and attach the other end to a grounded metal surface on the Bentley, away from the battery. Start the working vehicle, let it run for a few minutes, and then attempt to start the Arnage.
To jump start a 1997 Mercedes 500SL, first ensure both vehicles are turned off. Connect the red jumper cable to the positive terminal of the dead battery and the other end to the positive terminal of the working battery. Then, connect the black jumper cable to the negative terminal of the working battery and attach the other end to a grounded metal surface on the dead vehicle, away from the battery. Start the working vehicle, let it run for a few minutes, and then attempt to start the 500SL.
To jump start a 2003 Dodge Intrepid, first, ensure both vehicles are turned off. Connect the positive (red) jumper cable to the positive terminal of the dead battery, then attach the other end to the positive terminal of the working battery. Next, connect the negative (black) cable to the negative terminal of the working battery and attach the other end to a grounded metal surface on the Intrepid, away from the battery. Start the working vehicle and then attempt to start the Intrepid.
To charge a dead car battery, you'll need a compatible battery charger or jumper cables and another vehicle with a working battery. If using a battery charger, connect the positive terminal of the charger to the dead battery’s positive terminal and the negative terminal to a grounded metal point on the car. If jump-starting, connect the positive terminals of both batteries first, followed by the negative terminal of the working battery to the dead battery's negative terminal. Allow the dead battery to charge for a sufficient time before attempting to start the vehicle.
power cable goes from battery to cap + terminal. separate power cable from cap + terminal to the amp. make sure the amp and cap are grounded.
grounding is always neg on a 12 volt american car. I only know bulldozers that reverse it. hope that helps you out.
To jump-start a 2006 Chevy HHR, first, ensure both vehicles are turned off. Connect the positive (red) jumper cable to the positive terminal of the dead battery, then attach the other end to the positive terminal of the working battery. Next, connect the negative (black) jumper cable to the negative terminal of the working battery and attach the other end to a grounded metal surface on the dead vehicle (not directly to the negative terminal). Start the working vehicle, let it run for a few minutes, and then try to start the HHR.
To jump-start a 2000 Oldsmobile Silhouette, first, ensure both vehicles are turned off. Connect the red (positive) jumper cable to the positive terminal of the dead battery, then attach the other end to the positive terminal of the working battery. Next, connect the black (negative) cable to the negative terminal of the working battery and attach the other end to a grounded metal surface on the dead vehicle, away from the battery. Start the working vehicle, let it run for a few minutes, and then attempt to start the Oldsmobile.
It's grounded on the front of the Mercury Cougar frame next to the headlight assembly.