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slowEJ6 · 01-20-2002, 03:15 PM

H4 is has both high/low built into a single bulb.
if 9003 is just a low beam or a high beam - theres no way to hook two connectors up to a single bulb to get it to work as both.
you have a 97 civic, i take it you bought projectors?

01-20-2002, 03:15 PM	#4
slowEJ6 Registered User Join Date: Nov 2001 Location: Oviedo, FL Age: 43 Posts: 3,195	H4 is has both high/low built into a single bulb. if 9003 is just a low beam or a high beam - theres no way to hook two connectors up to a single bulb to get it to work as both. you have a 97 civic, i take it you bought projectors?