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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Help needed….

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Old Aug 17, 2025 | 07:13 AM
  #1  
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jorgholio
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From: Sylvan Lake
Help needed….

I have a 12v system on my 51 and I want to convert my system from single pole to dual element to run signals. Has anyone ever used a universal signal switch and wired in LED bulbs. I was hoping to run my signals via universal signal switch, and marker lights via headlight switch.
Im using a led flasher, but not sure how it should be wired in?
Im a novice when it comes to wiring, but any help or diagrams would GREATLY appreciated.
Cheers to this site!
 
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Old Aug 17, 2025 | 04:11 PM
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From: Burbank, WA
If you want to run turn signals and brake lights on the same circuit in the same lamp, you need what's known as a 7 wire turn signal switch and integrate it with your brake light switch. The Signal Stat 900 is a good unit and very popular, and the wiring diagram is readily available.

If you insist on led bulbs, that's going to be on you. It seems 90% of electrical gremlin questions come from guys having issues with led bulbs. I don't see the thrill, personally. If it were me, I'd skip the newfangled crap and stick with the tried and true 1157's. My 2c.

https://www.napaonline.com/en/p/LIT900

7-Wire Universal - Signal Stat 900 - Black - YnZs Online Store

Signal Stat 900 Turn Switch Wiring Diagram - Wiring Diagram
 
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Old Aug 17, 2025 | 06:24 PM
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I went with LED's but needed to change the flasher unit to one that was designed for them. Then all was good.
 
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