electrical problem. help!
Thread Starter
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Senior User
Joined: Oct 2006
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electrical problem. help!
ok,
turn signals dont work but hazards do, so i replaced flasher.....no help.
right rear light goes on but brake fillament doesnt light up.
i changed the socket and no help. (new bulbs too)
after changing socket none of the turn signals work and brake light still no good.
what is my problem?
Thanks in advance. -Pete
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thinking of geting a new wiring harness, which company makes a complete harness, inside, engine compartment, and lights? the electrical system on this truck is killing me!!!!!!!!!!
turn signals dont work but hazards do, so i replaced flasher.....no help.
right rear light goes on but brake fillament doesnt light up.
i changed the socket and no help. (new bulbs too)
after changing socket none of the turn signals work and brake light still no good.
what is my problem?
Thanks in advance. -Pete
--------------------------------------------------------------------------
thinking of geting a new wiring harness, which company makes a complete harness, inside, engine compartment, and lights? the electrical system on this truck is killing me!!!!!!!!!!
Senior User
Joined: Mar 2004
Posts: 448
Likes: 0
you haven't dug deep enough
do you have good grounds in the rear? a little rust is all it takes, remove and clean them
could be a problem with the T/S switch, they're prone to failure
you didn't mention, are the front signals working?
do you have good grounds in the rear? a little rust is all it takes, remove and clean them
could be a problem with the T/S switch, they're prone to failure
you didn't mention, are the front signals working?
Thread Starter
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Senior User
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fronts arent working.
im pretty sure the grounds are good because i cleaned all the ground wires and painted them a few months ago, but im going to check them.
turn sigal switch sounds complicated, never taken that apart before, i have an idea of what its like but ill have to do some poking.
any one have diagrams?..........
thanks alot guys ill keep posted.
P.S.---any input on new harness.?
-Pete
im pretty sure the grounds are good because i cleaned all the ground wires and painted them a few months ago, but im going to check them.
turn sigal switch sounds complicated, never taken that apart before, i have an idea of what its like but ill have to do some poking.
any one have diagrams?..........
thanks alot guys ill keep posted.
P.S.---any input on new harness.?
-Pete
Posting Guru
Joined: Jul 2006
Posts: 1,354
Likes: 1
From: America
make a ground from the bulbs ground to the truck frame....it will show you if the ground in any of the sockets are bad....i just fixed mine with similar problems as yours. do all of the sockets not just the ones you suspect.
Postmaster
Joined: Oct 2005
Posts: 3,034
Likes: 1
From: NJ
Turnsignal switch is like a bllion times less complicated then putting a new wiring harness. You painted the ground wires? Maybe the paint is not giving you as good of a ground. I had a similiar problem and it was my turnsignal switch. It's easy to replace. I think it took me like 10 minutes to do.
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Senior User
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im doing a wiring harness regardless, but this is my daily driver so i need to fix it now....heheheheh
gonna check grounds and check for shorts......keep ya posted.
gonna check grounds and check for shorts......keep ya posted.
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Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
Turn signal switch 1973/77 F100/350
1973/77 F100/350
D3TZ13341A .. T/S Switch - 1973/77 - MANUAL Transmission ~ w/o Cruise Control *
D3TZ13341B .. T/S Switch - 1973/77 - AUTOMATIC Transmission ~ w/o Cruise Control *
D5TZ13341B .. T/S Switch - 1975/77 - Use with CRUISE CONTROL only - Obsolete.
* STILL available from Ford.
D3TZ13341A = Ford suggested retail price: $96.00 / FTE member net: $67.85
D3TZ13341B = Ford suggested retail price: $69.98 / FTE member net: $49.46
The above parts prices are from FTE sponsor Direct Ford Parts (Gaudin Ford-Las Vegas, NV)
Their link is on the forum main page - refresh till it appears.
D3TZ13341A .. T/S Switch - 1973/77 - MANUAL Transmission ~ w/o Cruise Control *
D3TZ13341B .. T/S Switch - 1973/77 - AUTOMATIC Transmission ~ w/o Cruise Control *
D5TZ13341B .. T/S Switch - 1975/77 - Use with CRUISE CONTROL only - Obsolete.
* STILL available from Ford.
D3TZ13341A = Ford suggested retail price: $96.00 / FTE member net: $67.85
D3TZ13341B = Ford suggested retail price: $69.98 / FTE member net: $49.46
The above parts prices are from FTE sponsor Direct Ford Parts (Gaudin Ford-Las Vegas, NV)
Their link is on the forum main page - refresh till it appears.
Last edited by NumberDummy; Jan 5, 2008 at 09:38 AM.
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Senior User
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thank you very much, my dad brought one home from work from an earlier model, same thing except for display light.
didnt fix the problem.
i cleaned the connections to the actual flasher and nothing.
the turn signals work at some points when i was messing around with the wire so i think its a short somewhere. gonna work with someone on it tommorow and if it doesnt work im gonna order a painless or centech wire harness
didnt fix the problem.
i cleaned the connections to the actual flasher and nothing.
the turn signals work at some points when i was messing around with the wire so i think its a short somewhere. gonna work with someone on it tommorow and if it doesnt work im gonna order a painless or centech wire harness