Crazy electrical problem, car won't start
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Crazy electrical problem, car won't start
Well here is the deal, I got an S4 GTX (TII in the states) and i was doing some touge with a couple of friends, I spon out and hit the rail, well i open my hood to check the damage. I took out the battery to hold my bumper with a cord, but i was so in a rush that I put the battery the wrong way and the burned the main fuse, change it with an other one since i had a wiring harness on my trunk.
The car didn't start and i could hear the fuel pump turning on ones i turn the key to the on position and all the power will just go, my turbo timer starts turning on an off while I crank so as my dash and my tach will go backwards yes backwards from 0 to 10k rpm and each time it cranks one step back, 2 cats driving a couple FCs stop to help us but since i speak a crappy japanese i call my wife so she could translate but since she doesn't know car terminology they could help but they call a tow truck for me. now the car is on my parking lot and i got an event coming up and need my car running please help!! by the way i try boosting the car with my friend car but didn't help either, same problem. (aftermarket tach)
The car didn't start and i could hear the fuel pump turning on ones i turn the key to the on position and all the power will just go, my turbo timer starts turning on an off while I crank so as my dash and my tach will go backwards yes backwards from 0 to 10k rpm and each time it cranks one step back, 2 cats driving a couple FCs stop to help us but since i speak a crappy japanese i call my wife so she could translate but since she doesn't know car terminology they could help but they call a tow truck for me. now the car is on my parking lot and i got an event coming up and need my car running please help!! by the way i try boosting the car with my friend car but didn't help either, same problem. (aftermarket tach)
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i'm goin to take a stab at it and say either a fusible link(s) or diodes..and the only diodes i can think of are in the alternator..as i said though..it's a guess..you checked all fuses in the engine bay and in the interior too?
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I check all fuses, engine and in the cockpit, the only one that god blown was the main fuse and i already change it, but all my electrical works, lights, dash, turbotimer, doorlights everything. but when i start cranking is like the battery is low i try with an other good battery and the same thing, i tray using the cables with my friends car and the same thing happend. indoor power come and goes, on and off. I can hear the fuel pump each time i put the switch in the on position and i never done it before
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#12
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you probly shorted out the starter and alternator. most likely fried some of the ecu, the only way i can think to check that easily is to just check some outputs on it like at the tps and see what sort of voltages you get out of the ecu.
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