Turn Signal Question
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Freshman User
Joined: Apr 2003
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Turn Signal Question
Hi, I just purchased a 1975 f100/150 with a 360. The turn signals don't work but the flashers do. I moved the hazard flasher over to the turn signal flasher and they still don't work so its not the flasher. I have not yet checked the fuse for the turn signal because I'm not sure which one it is on the fuse box (that's my next step). If the fuse is good what should be my next step? Does the circuit get power from the brake signal switch? How difficult would it be to wire in a toggle switch for a temporary solution? Thanks for any ideas.
Posting Guru
Joined: Aug 2002
Posts: 1,493
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From: Great NW
Turn Signal Question
Well luckily, flasher relays are cheap. Just buy one (the Heavy Duty kind) and install it and totally rule out that issue first. Put all fresh fuses in next. Make sure the connectors are all plugged in well after that. Then, get back with us.
Posting Guru
Joined: Feb 2002
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From: Cleveland, WI USA
Turn Signal Question
Are all the bulbs working? Do the lights on the dash go on at all? I had a few bulbs out on mine and the turn signal wouldn't flash. The light would go on, just not flash.
You could remove the steering wheel and check for power at the switch. Work back to the fuse box if there is no power, and out to all the lights if there is.
Good luck.
Kevin K.
You could remove the steering wheel and check for power at the switch. Work back to the fuse box if there is no power, and out to all the lights if there is.
Good luck.
Kevin K.
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Freshman User
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Turn Signal Question
When the hazards are engaged the dash lights DO come on and ALL bulbs light up so the hazard circuit is working 100%. I have done research on this sight and that's how I have learned what I do know so far.
How would one go about just wiring in a toggle switch? Are the 3 prongs on the flasher a +,-,ground?
Thanks, I'll be around for a while cause I'm about to break the manifold bolts off to install new gaskets
How would one go about just wiring in a toggle switch? Are the 3 prongs on the flasher a +,-,ground?
Thanks, I'll be around for a while cause I'm about to break the manifold bolts off to install new gaskets
Postmaster
Joined: Feb 2003
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Turn Signal Question
You have not checked the turn signal flasher yet. There are TWO flashers (kinda kinky ain't it?). One for hazards and the other for turn signal.
I don't think a toggle switch will work. The turn signal is a multi-contact switch. I believe it does get power from the brake circuit but it's been a while since I checked. I would just pull the wheel and replace the switch if it was suspect. Sometimes mine won't work but will start working after I wiggle the hazard switch.
I don't think a toggle switch will work. The turn signal is a multi-contact switch. I believe it does get power from the brake circuit but it's been a while since I checked. I would just pull the wheel and replace the switch if it was suspect. Sometimes mine won't work but will start working after I wiggle the hazard switch.
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Freshman User
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Turn Signal Question
Yeah I moved the known good hazard flasher to the turn signal circuit. So I did check the flasher. What size fuse do I need and what is the location of the fuse on the box??
Thanks again for the help.
Quote edited out <> It's really Not Necessary
Thanks again for the help.
Quote edited out <> It's really Not Necessary
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Posting Guru
Joined: Aug 2002
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From: Great NW
Turn Signal Question
Is it possible that a "Hazard Light" relay might not actuate your turn signals?
Did you try inserting the turn signal relay in your hazards relay slot to see what happens????
Did you try inserting the turn signal relay in your hazards relay slot to see what happens????
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Senior User
Joined: Mar 2003
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From: Garfield Hts, Ohio
Turn Signal Question
When you put your hazard flasher in the turn signal flasher location, do the turn signal indicators light on the dash? Also check the fuse , you be suprised on how many times pain in the butt problems have been fixed by replacing the fuse. Also use a test light to check the fuse, cause what may look ok may not be.
Posting Guru
Joined: Aug 2002
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From: Minneapolis, MN
Turn Signal Question
The turn signals don't get power from the brake circuit but the flashers might. The brakes and flashers work with the key off (live circuit) but the turn signals have to have the key on. Probably a fuse. It wouldn't hurt to at least check all of them if not replace all of them. You'd be suprised how many problems can come from bad connections at the fuses. My brother-in-law picked up a Mazda 626 a while back for a winter beater. Real cheap (50 bucks) 'cuz hardly anything on it worked. He replaced every fuse in it and voila! Everything worked. Most of the fuses even checked OK. Replaced them anyway.
Try it. It might help. Sure would be easier than trying to wire in a toggle switch.
Just my 2¢
Greg
Try it. It might help. Sure would be easier than trying to wire in a toggle switch.
Just my 2¢
Greg
New User
Joined: Apr 2003
Posts: 19
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From: North Carolina
Turn Signal Question
Sounds like your turn signal switch ain't working. Pull the steering wheel and see if the electrical connection is loose. You could mount toggle switches, but then they won't cancel automatically and you'll end up driving around with your signal flashing because you'll forget to turn them off.
Good luck!
Good luck!
Posting Guru
Joined: May 2003
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From: Oak Harbor WA
Turn Signal Question
It's probably the turn signal module. A friend of mine had his brake lights go out, and we tried replacing the bulbs and flasher solenoids - no luck. Finally we tracked the problem down to the turn signal module - not cheap - about $75. Also, be careful not to damage the start mechanism that is in the column of the automatic. We weren't careful and broke it, so now we have to "hot wire" it to start.
New User
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Turn Signal Question
Colossus,
What is a turn signal module?
I've never seen these trucks have anything but turn signal *switches*
also, unless you are talking about the neutral start switch, 70's pickups didn't have start mechanisms like the 80's trucks did.
The flashers are also Relays not solenoids.
The relay breaks contact after it heats up,that's what controls the fash effect.
A solenoid is switch that is activated by small current for use of a larger current.
What is a turn signal module?
I've never seen these trucks have anything but turn signal *switches*
also, unless you are talking about the neutral start switch, 70's pickups didn't have start mechanisms like the 80's trucks did.
The flashers are also Relays not solenoids.
The relay breaks contact after it heats up,that's what controls the fash effect.
A solenoid is switch that is activated by small current for use of a larger current.