Where do you connect electric choke wire?

Where do you connect electric choke wire?

For electric choke hookup, attach the bayonet end of the long electrical lead supplied to the positive terminal on the choke cap. The other end must be connected to an ignition activated 12-volt source.

Can you adjust an automatic choke?

The choke operation (opening and closing) can be adjusted by rotating the choke cap. Do not adjust the choke cap beyond the index marks or it will damage the internals of the electric choke unit. If the choke is opening too soon and is causing a difficult start: Loosen the three choke cap locking screws (see right).

Should choke be open or closed?

The choke is only used when starting a cold engine. When doing a cold start, the choke should be closed to limit the amount of air going in. This increases the amount of fuel in the cylinder and helps to keep the engine running, while it is trying to warm up.

How does electric choke work on carburetor?

Electric Choke – An electric choke uses electricity to warm the spring and gradually open the choke. Divorced Choke – In a divorced choke set-up, the metal spring is located in the intake manifold. The spring connects to the carburetor with a small rod.

How do you adjust a Weber electric choke?

Turn the choke ring 1/8-inch counter clockwise to increase the choke for colder weather and clockwise to decrease the choke for warmer weather. Release the throttle arm. Tighten the screws with a hex wrench until they are hand tight.

How do you activate an automatic choke?

Watch the butterfly valves inside the carburetor while turning the automatic choke element clockwise until the butterfly valves are standing straight up. Turn the choke element counterclockwise until the butterfly valves are fully closed. Tighten the three automatic choke element screws with the screwdriver.

How does an electric choke carburetor work?

Automatically – An automatic choke uses a metal spring to open and close the choke plate. The spring is wound in a housing and attached to the choke linkage on one end. As the engine warms up, it warms the metal spring. As the spring warms, it expands, rotates, and opens the choke plate.

How do you test a choke on a carburetor?

Test Procedure Remove choke assembly from the choke holder on the side of the carburetor. The needle should be clearly visible. Measure the overall length of the choke from end-to-end, including the very tip of the needle. Now connect the choke’s electrical leads to a 12v power source. Black is negative.

How can you tell if choke is set properly?

The only way to tell if the choke is set properly is trial and error. If the car runs properly after setting the choke, no further adjustments are needed, however, if the performance is still lacking, wait several hours for the engine and choke coil to fully cool before making further adjustments.

How do you adjust the choke on a Holley four barrel?

Fortunately, adjusting the electric choke on a Holley four-barrel is simple. There are two different adjustments that can be made: The choke operation (opening and closing) can be adjusted by rotating the choke cap. There is a center pointer and index marks on the choke mounting (see right) along with an index mark on the thermostatic choke caps.

What happens to the choke when the engine is off?

When your engine is off, the choke (enrichment circuit) is actually “on” in it’s default resting state. When the engine is turned on and voltage is applied to the choke, the needle extends and eventually plugs the enrichment ports within the carburetor.