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72 charger se hideaway headlight problem

Started by 400sforever, December 30, 2014, 11:40:29 AM

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400sforever

 have a 72 se with hideaway headlights. when I bought the car, I pulled on the headlight switch and the doors opened and the headlights were on. I went to move it at night one time, pulled the light switch and nothing happened. the doors don't open and the headlights don't come on. It did this out of nowhere! anyone know what went bad in the system?
1974 dodge charger se 512 cubic inches, 3.91 suregrip

Bob

I'm thinking the headlight switch may have burned.

400sforever

thanks! I was wondering if that was the problem also..i know there is some kind of relay up under the dash by the ash tray that runs the hideaway motor but since the headlights didn't illuminate I figured that wasn't the problem.
1974 dodge charger se 512 cubic inches, 3.91 suregrip

ottawamerc

Is there not a fusible link in the feed line to that circuit? possibly blown?
This hobby is more than just our cars, it's the people you get to meet along the way!!!

polywideblock

look under your dash next to the ash tray , you should find your headlight door relay and the circuit breaker mounted in a bracket   :yesnod:

    if   the relays  fried its  about $300 if you can find one,  don't know about  the circuit breaker  but if you check in electrical there is a thread about replacing them with modern equivalents  

                                                                             http://www.dodgecharger.com/forum/index.php/topic,100304.0.html

   you can also get away as a quick fix, wire up a simple 3 way   on- off-on  switch using up on one side and down on the other  just remember to turn back to "off "each time   :yesnod:

                                        :cheers:


  and 71 GA4  383 magnum  SE

ODZKing

I don't have hideaways, but I saved this pic from some time ago. Doesn't the 71-2 have a relay under the dash?

Wow, yeah 3513489 is the part number.  What is so special about this thing?

archie360

Not to sound like a jerk but are you sure the headlights didn't come on?  I had an issue where the headlight doors remained closed but the lights were on.  I would not have noticed if the hood wasn't open.
1971 SE 383HP     1972 Rallye 340

polywideblock

that's what happens when the headlight door relay goes


  and 71 GA4  383 magnum  SE

400sforever

yep I got out of the car and opened the hood when I saw the lights didn't come on...and sure enough the doors didn't open and the headlights were not illuminated..does this indicate a switch going bad all of a sudden or could it still be a relay under the dash?
1974 dodge charger se 512 cubic inches, 3.91 suregrip

polywideblock

if the lights are not working either I'd check the switch first,  have you checked the fuses  :scratchchin:


  and 71 GA4  383 magnum  SE

400sforever

yep I checked the fuses..i'll try a switch and try to narrow down the problem
1974 dodge charger se 512 cubic inches, 3.91 suregrip

Nacho-RT74

headlights doesn't have fuse. The protection on these is actually the main fuse link. I have heard the headlight switch got a breaker... Have doubts about since once a friend got a HEAVY short coming from headlights and this breaker never come intoi play ( fuse link was bypassed )... it burn half of the forward light harness untill we disconected the batt

if headlights are not coming on, the green wire is not getting any power which is the output to floor dimmer switch ( hence red and violet wires to low/high beams ) AND also the trigger for the headlight doors.

I bet is the headlight switch
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

400sforever

I hope you guys are right! a headlight switch sounds like the easiest cheapest fix! the car is all dismantled right now getting a meticulous restoration
1974 dodge charger se 512 cubic inches, 3.91 suregrip

71 SE3834V

I would not replace the headlight switch until I troubleshooted it. Could very well be a bad connection. These are old cars and the connections corrode. As an example: When I bought my car the headlight doors didn't open but lights lit.  I unplugged the connection for the doors at the firewall and when I plugged them back in the doors worked! Bad connection.
2 common areas for bad connections are the bulkhead and the dimmer switch as far as the headlights circuits.
71 Charger SE 383 4V
72 Galaxie 500 400 2V