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I started to bench test it but this group of wires has me thrown off. I have researched this forum, but the color wires do not match what i have here for what i assume are for door speakers.
After looking closer I see the Z bar appears different from the other 10 or so trucks i have parted out.
This black box is connected underneath the different Z bar.
Additionally there are two tags on wires that say D8TF-18B821-BA. I cannot find this info on line.
Any help on this radio is appreciated. I have the light, am and fm and what i assume is the front speaker all working fine, I just cant figure out the last 4 wires.
So then can i assume that this bracket and pigtail that was mounted under the dash is also for CB? Bracket number is D8TF-18B819-AA. Pigtail from what i can read is D8TB-18A
This should help, but not sure of the CB wiring.1973 -79 Ford OEM Radio Information:
The OEM radio was powered by a GREEN 2-terminal pigtail. YELLOW with a BLACK stripe is Switched Power.
BLUE with RED Stripe is dash illumination. Do not mistake the BLUE with RED stripe wire for ground. The OEM radio grounded through its mounting chassis. The speakers were connected over a separate pigtail.
- Solid Black = Power.
- Blue with Red Stripe = Dial Light.
- Black with Gray Dashes = Ground.
- Orange with Green Dashes = Right Speaker.
- White with Green Dashes = Left Speaker.
For OEM Radio help, the guy to use is in Scottsbluff Nebraska and his name is Gene Cochran. While he had my Radio apart, he updated some of the internals and cleaned it. His number (308) 632-2520.
The 1973-79 Ford OEM Radios were wired as follows:
Speakers are in series meaning positive from Radio to Positive on Speaker #1, Negative from Speaker # 1 goes to Positive on Speaker #2. Negative from Speaker #2 goes to Negative on Stereo.
Ask Gene if he’ll wire in an Aux Input jack. I had it done and it allows me to run my I-pod through it.
Last edited by EQCMCAT; Feb 26, 2020 at 04:25 PM.
Reason: Attachments were too busy
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