Topic: Headlights winking
in Forum: C3 Electrical
Already a Member?
Click Here to Login
Not yet a Member?
Click Here to Register for Free!
I took my 74 vette for a drive tonight and when I parked it at a friends she noticed once I shut the engine off the headlights moved about halfway up and down but not at the same time. At first I thought she was kidding me, but when I got home i got out and then shut the engine off. After about 3 - 5 seconds the headlights moved about halfway up and down but not at the same time. What causes this? Is it normal and will it lead to other issues with the light operation? I never notice it before tonight. Also the headlights were not on when I shut the car off either time.
Thanks in advance for you help.
Rodney
Thanks in advance for you help.
Rodney
SPONSOR AD:: (Our Sponsors help support C3VR)
Lifetime MemberModerator
Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
Sounds like a vacuum issue. The relay valves have a spring in them that opens to force the headlights open in case of loss of control vac. If you have a leak somewhere(if?!?
), this can happen. Also, sometimes the one-way check valve(in the vac. line from the engine) can malfunction, and cause this.
Check all of the vac. connections first, to make sure they are nice & snug.
), this can happen. Also, sometimes the one-way check valve(in the vac. line from the engine) can malfunction, and cause this.
Check all of the vac. connections first, to make sure they are nice & snug.
Joel Adams
C3VR Lifetime Member #56 
My Link 
(click for Texas-sized view!) NCRS
"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
in Forum: C3 Electrical
SPONSOR AD: (Our Sponsors help support C3VR)