bmdubya1198
Active member
- Joined
- Aug 24, 2016
- Location
- Charlotte, NC
Quick question, what are the last 3 numbers on your ECU?
Last 3 are 541.
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Quick question, what are the last 3 numbers on your ECU?
What does the legend say?
Why would a power wire go to ground!? Do you have power on pins 18 and 9? Is that diagram LH 2.2?
Well, I thought the same thing, but both injector wires have power, don't they?
Pins 18 and 9 both have power. ~11.94V at 9 and ~12.12 at 18. Strange there is discrepancy in voltage, albeit a small one.
Yes, the diagram I posted is LH 2.2 B230FT.
One of the wires for each injector is switched to ground by LH2.2. The other is connected to 12v through the rsr.
The ECU not being fastened to its bracket wouldn't cause any problems, right? The body of the unit isn't used as a ground?
Nope, it?s grounded through manifold I think. I thought the same thing but for testing purposes I?ve left them hanging on the floor with no issue at all.