04-25-2020, 03:55 AM
Well, first test. One probe on Bl/R and one on Bl/Y. Both probe ground leads connected to battery negative terminal.
Both traces show a square wave pulse train that comes up, then goes away. I am taking video’s and that I can email and someone can post them if they want. I AM NOT a videographer. I’m am using my iPhone on a stand. Due to test setup I can’t really watch the scope and reach the key. So, I start the video, turn on the key and wait for a response.
Interestingly, the pulse train does not appear until the fuel pump is done cycling. This is consistant every time I turn on the ignition. EDIT: not true. on the second run they showed up before the pump was done cycling.
The second run was interesting, but I messed with the scope and kinda messed up the video. So I’ll run it again in a while.
Both traces show a square wave pulse train that comes up, then goes away. I am taking video’s and that I can email and someone can post them if they want. I AM NOT a videographer. I’m am using my iPhone on a stand. Due to test setup I can’t really watch the scope and reach the key. So, I start the video, turn on the key and wait for a response.
Interestingly, the pulse train does not appear until the fuel pump is done cycling. This is consistant every time I turn on the ignition. EDIT: not true. on the second run they showed up before the pump was done cycling.
The second run was interesting, but I messed with the scope and kinda messed up the video. So I’ll run it again in a while.