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Went out to the car to verify that the wideband was getting signal to the ms at all (see other thread, no updates because of this new problem), couldn't get the probes to the pins so I decided to cut the zip ties and drop the unit for easier access. Car shuts off when I happen to brush the other wires coming out of the option connector, won't restart.... cranks and cranks and cranks. Great! Hook the laptop up, won't connect either...
The car starts fine on the stock ecu
Is there anything on the option connector that I could have grounded out somehow with my snips that would brick the damn ecu? At key on, the two outer LED's on the outside of the case are lit, but the center two are not. No funny smells or anything, nothing obviously burnt up inside
Update for anyone interested, there are two fuses on board the the ecu, you can see them if you open the case. On my ecu, the fuse in position F1 is blown. These fuses can be removed easily with some needle nosed pliers and pressed back in by hand. Diyautotune has them in stock, should anyone be as dumb as I am and need them
I have to give credit to Matt over at diyautotune, he pointed me in the right direction! For reference, when measuring the resistance of these fuses, anything over 5 ohms indicates a bad fuse. The one in socket f2 measures at 1.5, and the blown one measured over 30!
11-08-2017, 06:30 PM
New issue, rear option connector ms carnage?
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