I've noticed that the headlights on my 2005 Elantra dim momentarily whenever the A/C compressor kicks on. Could this indicate a faulty alternator or what?
Okie
I've noticed that the headlights on my 2005 Elantra dim momentarily whenever the A/C compressor kicks on. Could this indicate a faulty alternator or what?
Okie
Jody's correct. The dimming is due to the momentary voltage drop due to the large instantaneous draw from the compressor clutch engaging.
Have something to add? Share your thoughts — no account required.
Ask the community — no account required