factory AM radio wiring

Charging, starting, lighting, gauges, HVAC

Moderators: FORDification, Thunderfoot

Post Reply
User avatar
1971ford
100% FORDified!
100% FORDified!
Posts: 5565
Joined: Wed Jul 04, 2007 1:05 pm
Location: Placerville CA

factory AM radio wiring

Post by 1971ford »

what do the wires go to that come off a AM factory radio? i grabbed a AM radio from a junkyard, the wire with the bulb was complete , 2 wires were cut a inch farther than a 2 wire plug, and 1 wire goes into a white plastic thing and goes about 6 inches until it is cut. where do these go to?
all the speaker wires in my truck are spliced and lead to a big plug (4 males, one female). so i need to know how to wire this bad boy up :D

here are the wires coming off of the radio:
Image

these are the wires coming straight from the speakers. The big grey things are just the covers that protect the speaker wires. then the speaker wires get spliced into this funky plug
Image

so, what do the wires go to that come off a AM factory radio?
-Ryan
User avatar
1971ford
100% FORDified!
100% FORDified!
Posts: 5565
Joined: Wed Jul 04, 2007 1:05 pm
Location: Placerville CA

Post by 1971ford »

bump........side :(
i thought lots of people had AM radios. none of the diagrams have radio wiring.
-Ryan
fordman
100% FORDified!
100% FORDified!
Posts: 22329
Joined: Sun Aug 28, 2005 8:17 pm
Location: Kansas, Ottawa
Contact:

Post by fordman »

mine just has one plug and it is a brown wire. or blue i dont remember the speaker wire goes straight up to the orignal speaker in the top of the dash.
User avatar
1971ford
100% FORDified!
100% FORDified!
Posts: 5565
Joined: Wed Jul 04, 2007 1:05 pm
Location: Placerville CA

Post by 1971ford »

I have speakers that arer mounted in the door to the left just below the door panel.
if i cut the plug off(the speaker one) and rewire it all, where does the power wire go and which wire is that coming from the radio?
thanks for the input
-Ryan
fordman
100% FORDified!
100% FORDified!
Posts: 22329
Joined: Sun Aug 28, 2005 8:17 pm
Location: Kansas, Ottawa
Contact:

Post by fordman »

the double plug is the speaker wires. im unsure whihc one is hot and which one is ground youll just have to switch them if they dont work the first time. and i rechecked a harness i have in the house the power wire for the radio is brown with a single plug.
User avatar
1971ford
100% FORDified!
100% FORDified!
Posts: 5565
Joined: Wed Jul 04, 2007 1:05 pm
Location: Placerville CA

Post by 1971ford »

hmmm i dont have a brown wire coming from the radio. there all black. where does the power wire go to in your harness?
-Ryan
fordman
100% FORDified!
100% FORDified!
Posts: 22329
Joined: Sun Aug 28, 2005 8:17 pm
Location: Kansas, Ottawa
Contact:

Post by fordman »

the harness wire is brown. the radio wire is black.
User avatar
1971ford
100% FORDified!
100% FORDified!
Posts: 5565
Joined: Wed Jul 04, 2007 1:05 pm
Location: Placerville CA

Post by 1971ford »

oh ok. where does the radio get power from though? where does it go?
-Ryan
User avatar
1971ford
100% FORDified!
100% FORDified!
Posts: 5565
Joined: Wed Jul 04, 2007 1:05 pm
Location: Placerville CA

Post by 1971ford »

this is probably a pretty easy question,

each speaker in my truck has two wires coming from them. how would i get those wires to turn into two wires to go into the radio?
-Ryan
fordman
100% FORDified!
100% FORDified!
Posts: 22329
Joined: Sun Aug 28, 2005 8:17 pm
Location: Kansas, Ottawa
Contact:

Post by fordman »

twist then together positive to positive and neg to neg the speaker should be marked which is which.
User avatar
1971ford
100% FORDified!
100% FORDified!
Posts: 5565
Joined: Wed Jul 04, 2007 1:05 pm
Location: Placerville CA

Post by 1971ford »

ok sounds easy enough. i should be able to have a working AM radio tomorrow, i just need to know where the radio gets its power.
-Ryan
fordman
100% FORDified!
100% FORDified!
Posts: 22329
Joined: Sun Aug 28, 2005 8:17 pm
Location: Kansas, Ottawa
Contact:

Post by fordman »

from the brown wire coming out fo the truck wiring harness.
User avatar
1971ford
100% FORDified!
100% FORDified!
Posts: 5565
Joined: Wed Jul 04, 2007 1:05 pm
Location: Placerville CA

Post by 1971ford »

WOW :eek: , I never thought i would here music coming from my truck! :woohoo: :drive: :rock:

there is lots of stations. random music, talk shows and football.
now i have to replace the bulb so i can see it in the dark. oh and Fordman, remember that bult that was dangling under my dash? theat went to my heater controls.
i cant wait to get a cd player/ipod compatible stereo in there! :P
-Ryan
User avatar
l1k2gadd
Preferred User
Preferred User
Posts: 266
Joined: Sun Sep 09, 2007 5:49 pm
Location: Florida, Summerfield / Belleview

Post by l1k2gadd »

You can keep the "stock AM radio look" if you can locate an FM Converter. An FM Converter is tuned to around 1400 AM frequency and then sends it's received FM signals to the AM radio through the antenna cables. The antenna cable from outside plugs into the converter and the antenna plug coming from the converter goes to the original AM radio. You power the converter from a key-activated fused hot and I believe the converter also has it's own ground that goes to the body of the vehicle it is installed in.

When working with Ford wiring from the 60s, and 70s always remember, if it is coming from the main wiring into a plug to power a component or option of some type, or if it coming out of something like a radio into a plug (i.e. speaker connection plug) the HOT or positive connection(s) will always be a female connector. The ground or return will always be a male connector.

The 5 wire plug in the one picture here is a factory 4 speaker stereo speaker connector. The white and orange wires would go to front speakers, if so equipped, and the two pink ones (one with a blue stripe and one with a green stripe if I remember correctly) would power the rear speakers. A vehicle with a two spwaker stereo system will have a three wire connector feeding the front speakers and only the black (with white dash or stripe) which is the negative wire, the white (with green stripe I believe) and the orange (with a green stripe I believe) wires would be in the connector.

Even though the connector types have changed through the years you can still find these speaker wire colors in vehicles into the early to mid 90s (that I have looked for parts in).

I hope this helps anyone else that might find a newer type late 70s am/fm or am/fm/cassette pickup stereo they want to back-fit into their older pickup, or vice-versa.

What is really neat is seeing the factory CB relay that cuts the late 70s stereo door speakers OR dash speaker off when the CB radio is keyed for transmitting or receives CB incoming audio from other CB'ers.
Too many projects, too little time, but.. lovin' it!
2-1966 Mustangs (one 289-2V and one 200 6 Cylinder),
1-1990 7-Up 5.0 Mustang LX Convertible (second one),
1-1990 7-Up 5.0 Mustang LX Convertible (third one, for parts only)
1-1990 7-Up 5.0 Mustang LX Convertible (fourth one, best of the bunch).
1-1992 "FEATURE" 5.0 Mustang LX Convertible (only one)
1-1993 "FEATURE" 5.0 Mustang LX Convertible (one of the yellow ones)
User avatar
1971ford
100% FORDified!
100% FORDified!
Posts: 5565
Joined: Wed Jul 04, 2007 1:05 pm
Location: Placerville CA

Post by 1971ford »

well since you brought this thread back up..
since i got my 69, i have learned that a original speaker is mounted in the middle of the dash, and that is what the holes are for in the dash(to let sound through). I also learned that the AM wiring coming from my am radio that i talked about in this thread, was suppose to just click into the original speaker plug. even though i dont have a original speaker in the 71. that solved a few mysteries for me :)
-Ryan
Post Reply