reverse light socket and switch
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Elder User
Joined: May 2008
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reverse light socket and switch
OK, on my 74 F100, one of my reverse light sockets doesn't have a ground tab. It has rusted. the other looks ok, but when I put the truck in reverse, a good known bulb does not light (even when ignition on). Pretty sure truck doesn't have to be started, but maybe it does?
Is there an aftermarket light socket for the backup lamp?
What switch, for a C6 automatic, controls the B/U lamp? Thinking it may be part of the safety neutral swtich on the steering column?
Thanks for any help.
Is there an aftermarket light socket for the backup lamp?
What switch, for a C6 automatic, controls the B/U lamp? Thinking it may be part of the safety neutral swtich on the steering column?
Thanks for any help.
MSEE
Joined: Apr 2004
Posts: 10,386
Likes: 35
From: Austin, TX
I thought the reverse light socket was just a standard 1156 socket, but I know some of the early dentsides had a different style setup in the back. Mike or ND would know for sure.
The reverse light switch should be part of the neutral safety switch, mounted at the bottom of the column. Later years had the switch on the transmission itself.
The reverse light switch should be part of the neutral safety switch, mounted at the bottom of the column. Later years had the switch on the transmission itself.
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Elder User
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How about the neutral safety switch on the column - do these typically go bad and lose their 'back up light switch' connection?
thanks guys.
More Turbo
Joined: Oct 2011
Posts: 636
Likes: 5
From: down a red dirt road
my 74 was right on top of the column. you can unplug it and test with a jumper wire, it looks like a trailer wire plug. if the truck is starting fine you should be allright there. as far as the bulb socket, yes it can be replaced. some other things to try is the unscrew the ground wire behind the taillight assembly where its screwed to the bedpost and clean that connection really good, maybe replace the eyelet, too. should technically be fine if your blinkers and taillights are funtioning.
a replacement socket should be available at a parts store like oreilly or vatozone for around 6.99ish. check out what they have and see if it will work. the important thing to look at is the tabs where the socket fits into the light housing and turns in. the package will say its for an 1156 or 1040 style single contact bulb. if you go ahead and use some dielectric grease it will keep it from rusting on ya again.
a replacement socket should be available at a parts store like oreilly or vatozone for around 6.99ish. check out what they have and see if it will work. the important thing to look at is the tabs where the socket fits into the light housing and turns in. the package will say its for an 1156 or 1040 style single contact bulb. if you go ahead and use some dielectric grease it will keep it from rusting on ya again.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
yeah, mine's a late year '74 (from serial number T80,001 June mfr. date). so i do have the twist in socket. I see Dorman 85989 for the tail light/brake light/turn signal piece for the 1157, but what's the socket for the 1156?
How about the neutral safety switch on the column - do these typically go bad and lose their 'back up light switch' connection?
thanks guys.
How about the neutral safety switch on the column - do these typically go bad and lose their 'back up light switch' connection?
thanks guys.
C7TZ-7A247-A .. NSS (Motorcraft SW600) / Obsolete ~ Available from autoparts stores / 1967/77 F100/350 all A/T's & 1973/77 Bronco (C4).
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Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
Find a 1975/91 Econoline, get the lamps/sockets from it. 1975/77's have round headlamps, 1978/91's have rectangular headlamps. Otherwise all 1975/91's look pretty much the same.
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