alright my car is runnin pretty poorly. i've had a guy install my battery backwards on me and on one ocassion i was pullin my battery otu and there was a huge arch from my ratchet to the computer so i don't think it's in all that great of shape. how is it to install one? also i have a 95 that's obd 1 would i be able to use one from an obd 2 car or do i have to stick with what i have? what would be recquired to go to the obd 2 setup instead ?

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yup it'd have to be same OBD. should be easy as hell. just unbolt and uplug. looking at it is self explainitory.