89 SI hatch with a b18 swap. most of the time it will start with the key. runs good. lately, I have to turn the key on and cross thestarter posts to start the car. also, today i had the heater, lights, audio system, brake lights, and brights on. when I came to a stop at an intersection, the car acted like it didn't want to go. lights were getting dim, radio turning off, oil light and batt light blinking. I turned all the above off and had my gas pedal to the floor. immediately when I turned the lights andeverything off, the car revved up and I was on my way...please tell me what this could be...thanks

 

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