There is a lot of places, Just choose one that is more convenient.
Just make sure that there is a direct connection to the block and not the wrong side of an engine mount. These are made of rubber and isolate the block electrically as well as mechanically.
The idea really, is to get most power to the starter motor. The motor is bolted directly to the block, without insulating gaskets.
Remove the spark plug wire from the spark plug. Use some heavy gloves or a set of insulated pliers to hold the spark plug wire about 1/4-inch from the engine block (ground) and crank the engine - you should see a spark jump from the wire to the engine ground. For a better check, use another spark plug and put it on the spark plug wire and use it as a "jumper" from the wire to the engine ground.
The battery ground wire runs from the battery to the engine block.
the hot wire goes to the starter and the ground wire bolts to the engine block.
The ground wire leads from the negative side of the battery and connects either to the engine block or to the frame of the automobile.
A jumper wire should use to bridge electrical ground across?
It is located on the battery
Some older wire does not have a ground. All you can do in that case is use a jumper wire to connect the ground to the neutral.
The engine block to chassis ground wire is typically located near the engine block, connecting it to the vehicle's frame or chassis. Its purpose is to provide a reliable ground path for the electrical system, ensuring proper operation of the engine and electrical components. You can usually find it near the starter motor or attached to a mounting point on the engine or chassis. Inspecting the wire for corrosion or damage is important for maintaining electrical connectivity.
A jumper wire can be used to bridge electrical ground crossings when there is a break in the ground path, leading to unreliable or no connection. By connecting the ground terminals on either side of the break using a jumper wire, you can establish a reliable ground connection and ensure proper functioning of the electrical circuit. It is important to use proper gauge wire and ensure proper insulation to prevent any electrical hazards.
Connect a ground wire to what? If you mean from the engine block to the firewall or frame - it ia always recommended that a grounding strap be connected between the two.
if it is a big power wire ( same size as the battery cable ) then it is the earth wire you should find that the battery has one wire going directly on to the engine or chassis there are different arangements the negative wire could be coming directly to the starter and if this is the case then the wire is just earthing the engine but in a lot of cases the starter is getting its ground from the engine and the engine gets its ground from the battery
The engine ground wire on a 1992 Mazda B2200 pickup is typically located near the engine block, often connected to a mounting point or a bolt on the engine. It usually runs from the engine to the chassis to ensure a proper ground connection. If you're having trouble locating it, check the area around the starter or the battery for the ground connections.