LPG/CNG Gas Ignition timing Advanced Processor for bi-fuel systems in gasoline cars
It is not easy to install a ignition advancer, some times the device is good itself but just not function well for certain cars.
LGC can not promise to you this item work for your car for sure, but we guarantee product quality and take resposibility for quality problem. Also, the product specification below is clear and detailed enough yet for you to install it correctly.
1. Product Function
Take CNG fuel for example, this device change the car’s original ignition advance angle, and remain timing signal of original ignition for using gasoline. CNG octane number and fuel properties are all superior to gasoline, to advance ignition timing, will greatly improve engine performance:
1) Better dynamic property in acceleration.
2) Reduce energy consuming, fuel economy
3) Prevent backfire
4) When switching to gasoline, no adjustment is required.
2. Installation Precaution
1) Make sure design of the ignition advancer’s wiring harness is consistent with the car model.
2) Positioned away from water, moisture and high temperature
3) Keep away from ignition high-tension cable and maintain well insulated
3. Wiring Guide
1) Red wire: 12V, to positive pole of battery
2) Black wire: To ground of battery
3) Blue wire: to Regulator solenoid vavle positive wire
4) Yellow wire: to Regulator solenoid vavle positive wire
5) Connector Wires for Crank shaft position sensor (if the connector do not match, follow below instruction):
White: to ECM (cut Crank shaft position sensor signal wire)
Blue: to sensor (cut Crank shaft position sensor signal wire)
Brown: to ECM (cut Crank shaft position sensor positive wire)
Black: to sensor (cut Crank shaft position sensor positive wire)
Yellow: do not connect
Wires and colors from different supplier may be different, but wiring principle is similar.
4. Switch Setup:
There is a 3-button or 2-botton switch in red color, on the timing processor. Every button have 2 states, if pointing to the arrow
direction--the switch is ”on”, or ”off”.
1) Advance angle setup: Control by Button 1 and 2, details as below chart.
2) Car types setup: Control by button 3 (This advancer do not have and no need this button).
All else types
5. Turning Notes:
1)Turn the adjustable potentiometer clockwise to the end, red light is on, then plug in the timing advance processor
2)Turn the adjustable potentiometer anti-clockwise, until red light is off, do not change the timing advance angle
3) When well turned, red light will be on during acceleration, and off during deceleration.
5. Identify signal wire of throttle position sensor:
Throttle position sensor place near the throttle body, there are three lines. Measured with a multimeter under AC voltage, red pin connect to one of the three lines, black pin connect to Ground, when idling the voltage should be 0.5v or so; with engine speed increasing, the voltage should raise along with. Otherwise, signal cable should be one of the other two lines, indentify like this until you find the right signal wire and connect it with yellow wire.
Wiring and advance angle are all very important, 12° or 15°? Please find out which is better.
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