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There are two ways that you can do this:
1.From the ECU Cable, that's on the GMC, looking from the bottom of the wire harness clip, the 4th wire from the left bottom series of wires for negative, and the positive on the 2nd wire from the right hand side top series of wires.
2. attach wires from the tach from the negative side of the main branch of the coil pack positive wire, and negative to the negative wire.
Then after that's done it should work, depending if you need a power supply from battery or turn-key acc on wire.
What else can I help you with?
Where does a tachometer connect to on a Nissan 240?
on my tach, the green wire connects to the neg on the ign coil pack
Where you need to connect the green wire from a tachometer?
the green is the signal wire and it goes to the negative side of the ignition coil
How do you hook up tachometer to a Chevy 350 that does not have HEI distributor?
Connect the green wire to the negative side of the coil.
Where are spark plugs and wires located on 1998 Kia Sephia?
underneath the plastic cover on the engine head are the spark plug wires, there are 2 coil packs there. the wires connect the coil packs. 2 of the spark plugs are under the coil packs and the other 2 are exposed...
How do you hook up a tachometer to a 2000 harley softail?
To hook up a tachometer to a 2000 Harley Softail, first locate the ignition coil and find the negative terminal, which is usually marked with a "-" sign. Connect the tachometer's signal wire to this terminal. Then, connect the power and ground wires of the tachometer to a suitable power source and ground on the bike. Finally, ensure all connections are secure and test the tachometer by starting the bike.
How do you install a tachometer in a 1975 Toyota Corolla KE30 2 door?
To install a tachometer in a 1975 Toyota Corolla KE30, first, locate the ignition coil and identify the negative terminal. Connect the tachometer's signal wire to this terminal for accurate RPM readings. Then, connect the power wire to a suitable 12V source, such as the fuse box, and ground the tachometer to the chassis. Finally, mount the tachometer securely in the dashboard and test it by starting the engine.
How do you install a aftermarket tachometer on a 1992 Mazda B2600I 2.6L 4x4 when there is no factory tachometer?
You will need to connect the tach to a ground and +12v source, the signal wire will have to be connected to the ground on the coil. Since the truck is fuel injected, you will likely have to find a way to wire it in with the connector on the coil. Kyrasis6 Mazdatruckin.com
How do you replace the Ignition Control Module in a 1990 Oldsmobile Cutlass Supreme?
follow the spark plug wires to the front of the engine where they connect to the coil packs, remove the coil packs by removing the screws on top and on bottom of each and the I.C.M. is the plate that comes off with the coil packs. the screws should be a 5.5 or 6 m.m.
Where do you connect the wires from a factory tachometer on a 1965 Buick Skylark with a 300 cu in motor?
One white goes to the negative side of the coil and the other to ground.
How many coil packs 2007 Hyundai accent?
four coil packs
How do you hook up a tachometer on a 1995 caravan with a six cylinder engine?
I would say connect it to your coil pack or distributor lead if it has one. I am, however, old school.
How many coil packs are on a 4.0?
( 1 ) that all 6 spark plug wires connect to coil---3---4 pack--2---6 plug---1---5
