| Re: New Member |
Subject: Re: New Member by bogus on 2010/4/26 0:47:13 I am betting on the coil or coil wire at this point. Let's step back and analyze the LT1 ignition for a moment. The OptiSpark is the distributor. It is the modern interpretation of the conventional distributor. It has an optical pickup that the computer uses to set timing and a more or less conventional high voltage side. If there is something wrong with the high voltage, it will more than likely NOT leave a code. If there is something wrong with the Optical side, there are two codes, 16 (lo res - fuel) or 36 (high res - timing). Since you aren't getting those, I am betting on the high voltage side. Check the coil wire. It runs from the coil (right head, behind PS pump reservour) to the opti (below throttle body). It can chaffe against the pump... It will then ground out and kill power. Check the condition of the wires to the coil. There are a couple of separate harnesses that plug into the coil and to and from the ignition module. These connectors age and get worn to the point they won't stay connected. Finally, the Ignition Control Module could be over heating. Hit it with cold spray and see if the problem eases. The ICM is between the coil and the head, right side. I have seen this happen in the past and troubleshooting it was a real bitch. Good luck and Welcome aboard!!! |
