Re: Hideaway headlight relay
[Re: attaboy]
#815375
09/27/10 04:14 AM
09/27/10 04:14 AM
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Joined: Jan 2003
Posts: 5,920 Athens, Greece
Pyper70
master
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master
Joined: Jan 2003
Posts: 5,920
Athens, Greece
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Bad ground??...all the relay is doing reversing the polarity on the relay (I speak from knowledge of the 70 Charger relay). How do you shut off your headlights?
I know that if you shut off your engine first and keyed 12v are off with the headlights on, then shut the headlights switch to the off position, the lights stay on for about another minute due to the Headlight delay relay. maybe you have one of those in your system and it is faulty.
If you shut off your headlight switch first then the engine, do your headlights shut off with the eyelids raised?
Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s
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Re: Hideaway headlight relay
[Re: attaboy]
#815376
09/27/10 07:02 AM
09/27/10 07:02 AM
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Joined: Aug 2007
Posts: 2,356 Kentucky
dfsmopars
top fuel
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top fuel
Joined: Aug 2007
Posts: 2,356
Kentucky
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Make sure the motor is spinning good and free. They have bad habit of seizing up.
‘72 Charger, 5.9 Magnum, Tremec 5 spd., Pro-Touring ‘14 Big Horn, Quad Cab, 4x4, 1500
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Re: Hideaway headlight relay
[Re: AK_JH27]
#815379
09/28/10 10:51 PM
09/28/10 10:51 PM
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Joined: Feb 2003
Posts: 518 COLLINGWOOD, ONT
71_deputy
mopar
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mopar
Joined: Feb 2003
Posts: 518
COLLINGWOOD, ONT
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first thing to do is check the power going to the motor- disconnect the plug to the motor-turn on the ing. switch to on.
check both wires- one should have power-"close" side. the other should be dead.
now turn on the lights and the ing. switch on- they should now be reversed- the one that was off is now power for the "open" side.
if this checks out- the small park contact in the motor is open- not allowing the power to go to the motor to turn it closed- a normal operation is the contact is closed- power goes thur it to the motors windings- when the doors are closed- the contact inside will open and turn the power off to the motor. same as the reverse to open the doors.
hope this helps
John Mac
Last edited by 71_deputy; 09/29/10 02:55 PM.
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Re: Hideaway headlight relay
[Re: MONC]
#815390
09/29/10 07:56 PM
09/29/10 07:56 PM
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Joined: Jan 2003
Posts: 5,920 Athens, Greece
Pyper70
master
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master
Joined: Jan 2003
Posts: 5,920
Athens, Greece
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I don't remember what I did for mine....I think I got the headlamp motor off of a 70-72 C body. I pulled the plastic gear inside and the bulkhead and re-soldered all the connections on the motor itself. They were all badly corroded, so I sealed with electrical tape paste and heatsinked everything. I believe the connector was the same one used on the front valance turn signals which I eventually took out and replaced with GM weather-tite connectors. Like I said...been about 8 years since I played around with that motor...grease the heck out of the gear when you get it working with graphite lube. I even made a plexiglas sheath to encapsulate the motor on the front to prevent it from getting wet during rains.
Just out of curiosity....could the headlamp switch be bad? You get juice to the relay when you turn on the lights, but when you shut it off, the lights shut off and it triggers a reverse polarity through the switch and into the relay. If your headlamp switch isn't sending that signal due to corrosion or cratering, wouldn't the switch be at fault. I think I remember my doors being closed, headlamp switch in the off position...and the knob on the bottom of the motor casing was still magnetically energized. The only way to open and close manually was to disconnect the pigtail (weather-tite for me). If you don't have the electromagnetic force on the knob, then you have a supply failure
Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s
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