The battery ground wire runs from the battery to the engine block.
The Chevy starter does not have a ground wire, the starter grounds through the starter casing.
black
to the furtherest plug! Plug #1 is probably the longest wire
That is a body to engine ground wire.
The red wire is the positive wire. The black wire is the ground wire. The green wire is speaker wire. The white wire is the auxiliary wire.
There are several things that can cause your Chevy Lumina fan to not work properly. The most common cause is a bad ground wire. Check the ground wire and make sure it is tight and free of corrosion.
The ground wire of the coil. Its the white wire with a black stripe.
Run a new one from the blower motor body to ground
bad ground wire at the coil probably
check ground wire on rear of frame for Chevy trucks
In my experience with my Chevy it was a ground wire
Top of the frame rail.Forward of the left rear wheel.