Table of Contents
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. The distributor side of the ignition coil is NOT a 12- volt source. It is a 7-9-volt source after cranking.
How does electric choke work on Edelbrock carb?
The manual choke has a dash-mounted knob that operates a cable to open and close the choke plate, while the electric version uses a electrically heated coil that expands as it heats to open the plate.
How much power does an electric choke use?
Factory chokes were connected to the stator terminal of the alternator. That connection provides around 7 volts. Aftermarket chokes need a full 12 volts.
What is the wire on the bottom of a carburetor?
The part in the bottom of the carburetor bowl is a fuel shut off solenoid. You should take it out of the carburetor and clean the plunger on it. There have been some issues with the solenoid closing and shutting off the engine.
Should choke be open or closed when starting?
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. Once the car has warmed up, if the choke does not open fully, the restriction in air may result in reduced power.
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 do you test an electric choke coil?
Check from red plug to ground to be sure you have power first. Your photo shows the choke in it’s cold or closed position. When you work the throttle the fast idle cam (other side of the carb) should rotate into the fast idle position. Turn the ignition on and wait a minute..now work the throttle again.
How does an electronic choke work?
Electrical choke is a coil or Inductor. The electrical choke works same as an inductor. When the current flowing through the choke coil and it changes continuously then a magnetic field is produced which work against the flowing current. As the AC current changes continuously the choke coil try to block the AC current.
Can you adjust an electric 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).
Does an electric choke need a ground wire?
There is only one wire that goes to the electric choke on a Q-Jet. It grounds itself through the carb body. For this reason, you want to be sure to remove the round choke cover gasket when you install an electric choke. Otherwise, the electric choke will be isolated from ground, and it will never open.
What is the difference between manual choke and electric?
Manually – A manual choke is controlled by a lever on the side of the carb. A lever or knob inside the vehicle is then attached by a cable. Electric Choke – An electric choke uses electricity to warm the spring and gradually open the choke.
How do you test an electric scooter choke?
How do we test it? Start and run the bike (fast tickover is fine) for at least 5 minutes. ( Switch off the engine and *quickly* remove the moped choke unit. Now leave the choke for at least 20 mins to cool down and measure the distance again- distance B in the photo below.
How do you adjust the choke on a Carter carburetor?
If not closed, loosen the three screws on the circular choke housing and turn the housing dial either clockwise or counterclockwise to open or close the choke valve. Close the valve very slowly by turning the housing dial until it just touches the carburetor throat sides. Tighten the three screws with a screwdriver.
Where does power for electric choke come from?
The ONLY proper place to get power for the choke is the s terminal of the alternator. Yes, the choke will work if hooked to any 12v ignition source, but hooking it to the alternator allows it to start opening only when the engine is running.
What are the 2 wires on a carburetor?
The two screws on the side of the carburetor are the idle speed and the low speed mixture screw. The image below shows this. If the idle speed is turned, it will change the speed the engine runs when you throttle the engine down.
What is the solenoid on the bottom of carburetor?
The solenoid receives a charge when you turn the ignition which activates the small electromagnet inside and completes the circuit, turning on the carburetor. This allows you to start the vehicle because the carburetor is ready to start mixing the fuel and air combination that makes the engine turn on.
What is the purpose of a fuel shut off solenoid?
A fuel shutoff solenoid is an electromagnetically-operated valve used to remotely cut the fuel supply to an engine. The solenoid typically consists of a valve body with an integral solenoid assembly connected to the valve stem.
