How to install spark plug wires in a 93 firebird lt1 manual#
If you don't have one already, a GM manual is really handy since it will have every single diagram for the engine harness. I'm not sure if your too familiar with the GM diagrams and finding the pins, if you need help with that feel free to ask. 62 Impala Page has a lot of info on my LT1 swap. All ignition and fuel control comes from Megasquirt II. The TPI is controlled by Megasquirt II using a MSD Pro Billet Distributor. LT1 was installed with a stock 1995 PCM and wiring harness I modified for the swap. You can refer to the diagram on the next page for the firing order and proper. Remove the plug going into the opti at the top and remove the 8 plug wires at this time. Even if you bypassed the start enable relay it will fire for a second or two with VATS malfunctioning. Follow this link for more pics of the 383 LT1 and 305 TPI. C4 Tech/Performance - HELP-92, LT1 Firing Order, OptiSpark Plug Wire Order - What is firing order on 92 LT1 and then order (Plug/Cylinder.camaro lt1 firing order diagram furthermore 5 7 engine diagram autos post as well as 93 97 lt1 engine diagram also chevy lt1 engine wire harness along with deville body control module location further oil. Your stock plug wires are labeled with that information anyway and the optispark has tiny numbers stamped on it too. VATS controlls fuel injector pulse and can cut out the starter from turning. Also, if you get wiring diagrams you can check to make sure there is continuity between all the necessary wires that lead to the ECM, and make sure they lead to the correct pins.Īs far as VATS.if your car can crank, it should fire for about 3 seconds.
There is that harness that runs between the opti and the regular harness, so it may be to your advantage to test continuity through that smaller harness and make sure the connector pins are all in good shape. There are only really two ways to test the opti.
On your car, that is what sends the position signal to the ECM in turn telling the spark when to fire. I did realize my mistake when I traced the problem down to the opti. And since its really tough to see down there due to the water pump I thought I had a bad Opti. It ended up being really dumb.apparently the opti spark connector isn't hard to put on backwards.
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