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Three problems

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obiwan-12

Guest
I have three problems with my 73 vette: 1st I replaced all the vacuum relays and actuatures for the headlights and they go up and down fine but when I turn off the engine the passenger side comes back up about 2 inches. I have no idea what to do,

2nd I replaced the horns and the horn relay and rebuilt the horn button. When this was completed they worked but now it doesn't work at all. Any ideas?

3rd There is a tank under the brake booster and washer tank with vacuum lines coming off of it but they have been cut and I have no idea what this is or where it hooks up to. I have a 350cc engine.
 

waterboy1976

Well-known member
Joined
Aug 18, 2003
Messages
510
Location
Cleveland,Ohio
Corvette
1973 4-speed Coupe FOR SALE/ SOLD!!!!
1) Headlights.......sounds like your check valve is bad....I think...
2) Horns...check ground
3) Canister...is the charcoal canister (evap canister) for the emissions....73 was the first year for the EPA crap to start bogging our motors down...

4) WELCOME to the CAC!!!!!
 
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obiwan-12

Guest
1) Headlights.......sounds like your check valve is bad....I think...
2) Horns...check ground
3) Canister...is the charcoal canister (evap canister) for the emissions....73 was the first year for the EPA crap to start bogging our motors down...

4) WELCOME to the CAC!!!!!
Do I need this canister hooked up?
I will check the ground and the check valve.
Thanks
 

TJay

Well-known member
Joined
Mar 20, 2006
Messages
157
Location
SouthWestern Ontario
Corvette
1972 Yellow Coupe

craig32

Well-known member
Joined
Sep 30, 2004
Messages
482
Location
PA
Corvette
1981 repainted black coupe
Do I need this canister hooked up?
I will check the ground and the check valve.
Thanks
Check the fuse on the horn also. If it is blown, find out why.

Craig
 
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Rich80

Guest
Passenger side light pops up..... Check valve (Corvette Central Catalog or on line) part number 443037 14.95. The check valve is right behing the carburator. Three hoses going into it.
 

bradfordsvettes

Well-known member
Joined
Mar 28, 2001
Messages
549
Location
Boston, MA area
Corvette
jewel blue 61.cranberry 69 t-top.black rose 92
also check the ground strap that jumps across the flex rag joint at the steering box . if it is broken or missing the horn will not work Steve
 

waterboy1976

Well-known member
Joined
Aug 18, 2003
Messages
510
Location
Cleveland,Ohio
Corvette
1973 4-speed Coupe FOR SALE/ SOLD!!!!
You do not need the canister hooked up UNLESS your state has emissions that require all working smog equipment to be operational.....
 

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