Alright, I have a 91 integra ls with a swapped motor witch is a 96 ls B18B. The car alredy had the motor in it when i bought it. The first problem i had was the car cutting out, so i searched and found out the retard had a b16a ecu in it and so i swapped the b16 ecu for a PR4 DA ecu and the car ran alot better. About a week later it kept not wanting to start due to a loose battery cable. Fixed the cable and just replaced it. A day or so later the battery died, so i had to charge it and put it back in the next day it died again. So i went and bought a new battery and later on that battery died which would indicate the alternator. Well i replaced it with a new one and then i get all hell! The headlights flash and wont stay on and when you turn them on the tach on the car bounces around. The battery wont hold a charge or the alternator wont charge it. Eventually, the car dies. When it is running it runs like it is rich or needs tuned bad but only seems to act up when driving not idleing. There was also the negative wire on the battery that went down to the transmission where it is screwed down was loose, i tightened it and am still having the same problems. what would cause all this. Could it be the switching of the ecu's or needs tuning or a wire short? I have done all that i can think of and am going to go read through the haynes manual to think of ideas. Any help would be appritiated, Thanks
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DA integra swap to B18b trouble?