I JUST got a new battery and as I drove away I noticed this. The fan in the car ⦠Want Answer 0. Yesterday left teen in car while I was in store she had music on. 1 Answer. 2004 Ford Focus ZX3. This in turn drops the ⦠Alternator replaced 1-2 years ago for different symptoms/issue. Another way you can tell the voltage regulator is bad is when the car lights keep dimming or flickering. Whenever I drive the car day or night I can hardly see my speed or radio or climate control lights. They will go back to normal when I depress the clutch pedal (usually I think) or am coasting in neutral. Dash lights dim when you start the car they are bright then go dim shortly after u start the car at night what will cause this. The car is ⦠If I turn off the headlights, my interior lights (for the dashboard - speedometer, etc.) After all, the voltage regulator is supposed to keep the power flowing to the lights, so itâs no surprise that those lights donât work right anymore once this part goes bad. Manual Transmission. They will dim when the starter is engaged. Clicking this will make more experts see the question and we will remind you when it gets answered. Posted by Anonymous on Jul 04, 2012. dash lights dim to the point they are not visible when i turn on lights during daytime. The dimming is because of the large demand for current by the starter, usually in the 100 ampere range. This condition causes the starter motor to draw excess current, leaving less for the vehicleâs other systems. get bright as normal, but if I turn on my headlights, they go very dim - but still on. Not sure if this set a program function but so far it works. I then tried again and no lights came on at all. Why do my dashboard lights go dim when the engine is running day or night? This part is responsible for charging your carâs battery when the car is running and for providing electrical power to the rest of your vehicle. 2016 Chevy Sonic The last 3 weeks or so I would get in my car and my dash light would be all the way low.i would turn it back up and it kept doing this Couldn't figure out why. Bad Voltage Regulator Symptom #2: Your Lights Are Dim. I would've turned around, but the store that installed it was closing. I then tried again and nothing but while holding the key in the starting position, the lights on the dash started getting a little brighter and then I turned the key back. I checked voltage on the battery and was at 12.54 which I think should be enough to crank up the car. I have a 2009 F150 with the same problem. Your interior lights dim when you try to start the car: If you notice your dashboard or interior lights dim as you attempt to start your car, this can be a sign of a short circuit in the starter motorâs internal wiring. Key symptoms of a bad alternator are: Warning light on the dash flickers on âALTâ or âGENâ Dim lights or other accessories experiencing a slowdown; A growling or whining noise from the ⦠I tried turning my lights on first, then starting the engine and the lights don't dim. Comment; Flag; Will not start, fast clicking noise, dash lights "fluttering" with the clicking noise Has anyone had this issue - 2013 CRV, car will not start, fast clicking noise and the speedometer meter is flashing with each click. Not when the car engine is on. My problem is that the headlights dim or flash (pulse down to very very dim then back to full) when accelerating or decelerating. Car ⦠Pretty much only when in gear. Whenever I turn off the engine my dashboard lights go bright. Running day or night very dim - but still on vehicleâs other systems gets.... Clicking this will make more experts see the question and we will remind you when gets. 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