If the loose cable is the main one from the negative side of the battery, then everything will flicker simultaneously with the key on and the engine stopped. When the engine is running, the alternator will keep things energized. If you have a loose groung cable on one particular accessory, only that accessory will flicker or just remain off.
Check for a loose or corroded ground or battery cable Check for a loose or corroded ground or battery cable
The most common cause of noise in your AM radio is a loose or corroded ground wire. Clean and tighten the ground wire and the AM noise should disappear.
Check for a loose ground cable
May be a loose or corroded battery cable or broken ground cable
Flickering lights, on a Cadillac STS, is usually a sign of a loose wire. When all of the lights flicker, it is an indication of a loose battery ground cable.
1) Check the battery cable connections. They should be clean & tight. 2) Check the connection at the starter. They should be clean & tight. A loose ground cable on the battery. Check ground cable on the starter.
Check for loose or corroded battery cables Check for a loose ground cable
Check for a loose or corroded battery cable Check for a loose ground wire
get it tightened
neg cable bolted to the body of car.
trip hazardWhat_is_a_network_cable_used_for
Dead battery?Loose or corroded battery cables?Loose ground cable?Bad starter solenoid?Bad starter?Neutral switch?Ignition switch?