What does a negative battery cable do?
The negative battery cable (also known as the ground strap or ground cable) is a wire wrapped in black casing that connects the battery to your vehicle’s chassis for grounding. Together, they create a closed loop to allow power to flow continuously.
When a battery is removed the positive cable should be disconnected first?
When removing the old battery, remember to first disconnect the cables from the negative terminal, which is usually black and has a minus (-) sign then disconnect the cables from the positive terminal, which is usually red and has a plus (+) sign.
Does the negative battery cable connect to?
Negative cables bolt directly to the body of the car or engine block, positive cables attach to the starter. The positive cable connects the positive “+” battery terminal to the starter solenoid.
What happens when I replace the battery in my Jetta?
I need to replace the battery on my 99.5 Jetta, and was ready to do it myself until the dealer mentioned resetting a bunch of codes & stuff on the engine computer, such as the idle setting and whatnot. I thought you just had to worry about the radio and the automatic window feature, as stated in the manual. Any info on the subject?
What to do if your VW wont start after a battery change?
Leave the cables disconnected for fifteen minutes If this doesn’t yield results, then you can try this alternative method to get your key to reprogram itself: Ensure that the battery is being charged with a charger Leave the key in the ignition with the battery on and the engine off for an hour
How to do a cold reboot on a VW?
In this case, you need to perform a cold reboot, which can be done in the following steps: 1 Disconnect both battery cables 2 Tap both cables together 3 Leave the cables disconnected for fifteen minutes 4 Reconnect the cables to the battery