Advance dial timing light3/10/2024 ![]() You can refer to the manufacturer’s specifications to determine the correct advance for your engine. Turn the distributor clockwise or counterclockwise to set the desired advance. The red lead should be connected to the positive terminal and the black lead to the negative terminal. ![]() Step 2: Connect the Timing LightĬonnect the timing light to the battery and the number one spark plug wire. Ensure the battery is fully charged, and the charging system is working correctly. Turn off any accessories that may affect the engine’s idle speed. Here’s a step-by-step guide to help you: Step 1: Prepare the Engineīefore you start, make sure the engine is at operating temperature and idling correctly. Using a dial-back timing light is not difficult. How to Use a Dial Back Timing Light: Step-by-Step Guide They have a built-in circuit that adjusts the strobe flash timing according to the advance you set, allowing you to check the timing accurately. You can adjust the timing by rotating the distributor until the timing marks align with the specified value.ĭial-back timing lights have a knob that allows you to set the desired advance. It works by flashing a strobe light at the engine’s timing marks, making it easy to see the position of the crankshaft. What Is a Dial-Back Timing Light, and How Does It Work?Ī dial-back timing light is a type of timing light that allows you to adjust the timing to achieve the desired results. 3 Tips for Using a Dial-Back Timing Light.2 How to Use a Dial Back Timing Light: Step-by-Step Guide.1 What Is a Dial-Back Timing Light, and How Does It Work?.I intend to have a look when my car is running. I think we going to have to disagree on this. I’m not reading some number on the timing light and the dial is set to zero, I’m reading a number on the damper. I can understand that if the light on a wasted spark system reads a spark every revolution it will double the rpm on it’s tach, and I can see that the light will flash on each revolution as opposed to every second, but I just can’t see why a light flashing at the same point on the timing marks would double the timing read out. I accept their instructions as authoritativeĪs you know you can time an XK engine using either #1 or #6 cylinder - they fire exactly 360 degrees apart so the timing mark on the damper is in exactly the same position each time the light flashes. If my light was supposed to read 20 degrees advance I would expect them to say that, and if my timing light said it, without a corresponding statement in the instructions I would be panicking. ( This equates to the limp home mode of the EDIS system if the computer (Megajolt) fails.) The manual then says “Start your engine and check that the timing is exactly 10° BTDC with a timing light on cylinder #1.” I have a distinct recollection of doing this and then spending some time doing minute adjustments on the wheel to get it to that point. That equates to 10 degrees BTDC and is the default timing setting with the PIP/SAW connection disconnected. The VR sensor is aligned exactly with the 5 th tooth from the missing tooth gap. The instruction manual I used to set up my EDIS is EDIS Ignition Control It talks about adjusting the position of the degree wheel/pickup position to set the timing. I understand that a couple of guys have said in a blog or forum that a timing light will record twice the actual advance. Ray I continue to have a problem with this.
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