49 won't start
Thread Starter
|
Cross-Country
Joined: Jan 2020
Posts: 82
Likes: 1
Logistics Pro
Joined: Sep 2014
Posts: 4,920
Likes: 21
From: Bothell & Silverdale, WA
This is how to set up the headlights: This setup will likely be installed in the engine compartment.
Thread Starter
|
Cross-Country
Joined: Jan 2020
Posts: 82
Likes: 1
Sorry to be so dense. I see and understand what you are doing here. But here is where my confusion comes in. With everything I've read, the switch for the lights has to be turned on in order to turn on the relay, The relay then takes over the power 30 for the lights instead of the electricity going through the light switch. So in order for the light switch to be turned on it needs power. Where does the power come from to make the light switch work so it can make the relay work 86? And doesn't the actual light switch also need a circuit breaker or fuse? And in your drawing can one circuit breaker power two relays (It seems to work for my understanding since they won't be used at the same time)? But I thought I read you cannot have two relays on one circuit breaker. Thanks for being patient.
Fleet Mechanic
Joined: Jun 2020
Posts: 1,907
Likes: 763
From: Hillsborough NJ
Sorry to be so dense. I see and understand what you are doing here. But here is where my confusion comes in. With everything I've read, the switch for the lights has to be turned on in order to turn on the relay, The relay then takes over the power 30 for the lights instead of the electricity going through the light switch. So in order for the light switch to be turned on it needs power. Where does the power come from to make the light switch work so it can make the relay work 86? And doesn't the actual light switch also need a circuit breaker or fuse? And in your drawing can one circuit breaker power two relays (It seems to work for my understanding since they won't be used at the same time)? But I thought I read you cannot have two relays on one circuit breaker. Thanks for being patient.
you can run both high beams and low beams from one breaker, I chose to run a breaker for each.
You’re correct that the light switch needs power. In factory wiring that power comes from one of the breakers that’s behind the dash. You can take that power from your unswitched fuse box and run it from a fuse. The diagram that @Mixer man drew up is very good, clearer than mine, so I’d use that one.
Hotshot
Joined: Jan 2001
Posts: 16,882
Likes: 3,126
From: SE Wisc. (the Rust Belt)
Man, this is a lot of discussion about a truck system that isn't all that complicated to begin with. The truck's electrical system started out from the factory very basic. Why not just go with the factory wiring design. There is nothing in this stock truck that is not basic, lights, ignition and starting system. Nothing more. Simplest route would be to wire it just like it was out of the factory.
Thread Starter
|
Cross-Country
Joined: Jan 2020
Posts: 82
Likes: 1
So I feel like I am getting a little more understanding of the whole electrical thing now. Yeah kinda fun. It's so simple it's confusing or it's so confusing it's simple. Okay, follow up question just to learn a little more. Can both fuses and blade style circuit breakers be put into the same fuse box? Thus having some circuits with fuses and some circuits with breakers. I know, basic was where I started...but then the more I read, the more I thought my truck was going to burn up. Thanks, Phil
Hotshot
Joined: Jan 2001
Posts: 16,882
Likes: 3,126
From: SE Wisc. (the Rust Belt)
It doesn't matter, it's all running with the same voltage.
The major concern is protecting your wire. Circuit breakers and fuses are there to protect your wiring, not necessarily the components that they are wired to. You have to use appropriate circuit protection for they gauge of wire used.
The major concern is protecting your wire. Circuit breakers and fuses are there to protect your wiring, not necessarily the components that they are wired to. You have to use appropriate circuit protection for they gauge of wire used.
Logistics Pro
Joined: Sep 2014
Posts: 4,920
Likes: 21
From: Bothell & Silverdale, WA
It doesn't matter, it's all running with the same voltage.
The major concern is protecting your wire. Circuit breakers and fuses are there to protect your wiring, not necessarily the components that they are wired to. You have to use appropriate circuit protection for they gauge of wire used.
The major concern is protecting your wire. Circuit breakers and fuses are there to protect your wiring, not necessarily the components that they are wired to. You have to use appropriate circuit protection for they gauge of wire used.
Phil, your light switch already has power - don't worry about it.
And I agree, this is becoming way more complex than it needs to be.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Top 10 Ford Truck Tragedies
Joe Kucinski
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
Thread
Thread Starter
Forum
Replies
Last Post
GMCOLE
1948 - 1956 F1, F100 & Larger F-Series Trucks
12
Nov 12, 2019 08:10 AM
Joshua Carmell
1999 - 2016 Super Duty
17
May 13, 2019 01:07 AM
Pebcak
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
37
May 27, 2016 08:45 PM
ashzeigler
1987 - 1996 F150 & Larger F-Series Trucks
7
May 18, 2014 07:09 AM
r23k4u1968
1967 - 1972 F-100 & Larger F-Series Trucks
11
Apr 14, 2010 02:15 PM