Directionals question
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Senior User
Joined: Mar 2014
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From: AZ
Directionals question
1983 F100 with 302. I had added two 12 inch fans to my condenser to assist it since I live in AZ. At times the directional will not work with the AC on. Just wondering if another flasher with less resistance is available or any ideas to correct it.
Moderator
Joined: Nov 2007
Posts: 22,415
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From: Denver Metro Area, CO
Does the problem happen at idle, or at speed? If at idle, I can see low alternator output/bad connections/similar contributing to the problem.
I would poke around the flasher connections with a voltmeter to see what sort of electricity is making its way to the fuse box, go from there.
I would poke around the flasher connections with a voltmeter to see what sort of electricity is making its way to the fuse box, go from there.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
Both flashers look identical, are round with two prongs.
The 4 way H/D flasher can be substituted for the T/S flasher and was for trailer tow, Camper Specials, dealers installed it for people that were deaf.
But you should not use the T/S flasher for the 4 way flasher, because it's a "weak sister."
Post Fiend
Joined: Feb 2008
Posts: 5,831
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From: St Albert, Alberta
Just go to a heavy duty electronic one that will fix the problem
https://www.napacanada.com/en/p/FLSHD12
or Tridon/Novita EL12
https://www.rockauto.com/en/moreinfo...120666&jsn=445
https://www.napacanada.com/en/p/FLSHD12
or Tridon/Novita EL12
https://www.rockauto.com/en/moreinfo...120666&jsn=445
Moderator
Joined: Jan 2001
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From: Virginia
The original flashers work on heat. The heat is generated by the current going through the flasher to the bulbs. Anything that lessens the current, lessens the heat generated, and the heat is what makes it click on and off. Your lower voltage from the fans pulling the system down is lowering the current, and the flasher is not heating up to flash.
If you press on the gas pedal a little bit, see if it starts flashing. The electronic flashers and the heavy duty will probably fix it. The only good thing about the original light duty flasher, if a bulb burns out it will tell you by not flashing.
If you press on the gas pedal a little bit, see if it starts flashing. The electronic flashers and the heavy duty will probably fix it. The only good thing about the original light duty flasher, if a bulb burns out it will tell you by not flashing.
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