.
radio test
Thread Starter
|
Fleet Mechanic
Joined: Sep 2012
Posts: 1,606
Likes: 53
radio test
I just picked up a 75 ish ford radio. i wanted to bench test it before I installed it. I ran a positive wire to the radios green square box, and I ran a negative from the battery to the bolt in the rea of the radio. I got nothing to light up. I then tested the bulb for the night light and the bulb works fine. So I have determined that the unit does not work or the ground is not sufficient. What are your thoughts? Shoud I mount the radio to see if it works? Or shoud I screw the ground into the rear of the unit? Another question is, ihe green matching couping from the wire harness hs two leads in it, shoud they both have constant power?
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Does your wiring look like this? The fuse holder is the white cylindrical piece.The fuse is easy to change, just push the two housing halfs together and twist then pull the holder apart.
Trending Topics
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
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
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Also, to get the light to light, you'll need to run power to the blue/red stripe wire. The light's operation doesn't have anything to do with the radio's on/off switch.
I've also heard it's not good to power up the radio without having the speakers connected.
I've also heard it's not good to power up the radio without having the speakers connected.
Posting Guru
Joined: Feb 2009
Posts: 1,088
Likes: 4
I've sent two radios to a shop in San Antonio to be fixed. The guy does a great job. He doesn't restore them, but he cleans them very well and everything works like new when you get it back. Prices are very reasonable, too. He specializes in Delco radios, but does Philco as well.
Delco radio repair, car stereo & auto radio repair and precision radio repairs.
Delco radio repair, car stereo & auto radio repair and precision radio repairs.
Senior User
Joined: May 2011
Posts: 341
Likes: 1
From: Lingle, Wyoming
While it's there you might see if he'll wire in an aux input jack. I had it done with mine, and it allows me to run my I-pod through it. Basically when the I-pod is connected it becomes the antenna source. Cost in parts was under $5. I set mine on a 12" extension so I could just drill a small hole in the dash by the ashtray, which I'm turning into a covert charging / storage station for my phone and I-pod. won't cost much more, but makes life really nice on a cloudy day out here in the hinterlands!
Thread Starter
|
Fleet Mechanic
Joined: Sep 2012
Posts: 1,606
Likes: 53
radio
Runnin D thanks for that info. Mike, I am familiar whit the white fuse you have shown. I do not have that, I have a black tube like piece that looks similar to yours then the wire goes straight into the plug. No cut wires. I will give it one more try today, then assume that it does not work. Thanks.
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
The black tube like piece I believe is an inline filter.
Don't worry about getting the light working, that won't tell you if the radio does or doesn't work. To see if the radio works you'll need to hook up the power, an antenna and a couple of speakers.
Don't worry about getting the light working, that won't tell you if the radio does or doesn't work. To see if the radio works you'll need to hook up the power, an antenna and a couple of speakers.
Senior User
Joined: May 2011
Posts: 341
Likes: 1
From: Lingle, Wyoming
The guy I used is in Scottsbluff Nebraska. His name is Gene Cochran, and he works out of his house. He's a crusty old codger, but does some tremendous work. While he had the radio apart, he updated some of the internals and cleaned the heck out of everything. My total bill was $25! 
His number is 308 632-2520 (I checked with him at the time I collected my stereo, and he was OK with giving his number out) He also lined me out on the manner in which the old radios were wired (mine at least). The speakers are in series meaning positive from radio to positive on speaker #1, negative from that speaker goes to positive on speaker #2. Negative from Speaker #2 goes to Negative on stereo. Now the stock stereo rocks as loud as the little 51/2 speakers can handle!!! 
One of the best mods I've ever done (had done)
His number is 308 632-2520 (I checked with him at the time I collected my stereo, and he was OK with giving his number out) He also lined me out on the manner in which the old radios were wired (mine at least). The speakers are in series meaning positive from radio to positive on speaker #1, negative from that speaker goes to positive on speaker #2. Negative from Speaker #2 goes to Negative on stereo. Now the stock stereo rocks as loud as the little 51/2 speakers can handle!!! One of the best mods I've ever done (had done)