Trouble with Audio

Z

ZackLeav

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Have an 86 Bronco XLT, 5.0, with aftermarket pioneer single din. After removing the old front door speakers I noticed that they were directly wired to the speaker input terminals unlike a removable connector. No idea which marker indicates positive and negative as both speaker wires appear to be completely black(door panels have been off and door wiring  harness looks like Helen Keller put it together)Any ideas? Appreciate it.

 

miesk5

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Yo Zack,

Welcome!


See Test Speaker Wires with a Battery


Speakers, speaker wires, and batteries all 

⊙●⊙

BTW Zack, here is the 1986 Bronco ELECTRICAL & VACUUM TROUBLESHOOTING MANUAL (partial) by Gary @ 1986 EVTM - Gary's Garagemahal (the Bullnose bible)

Radio wiring diagrams, etc are @ Radio (Stereo): (Pages 127 - 129) Stereo radio, antenna, RH front door speaker, LH front door speaker, RH rear speaker, LH rear speaker

See more info by Gary, such as 1985-1986 Fuel System Adjustments @ 1985-1986 Fuel System Adjustments - Gary's Garagemahal (the Bullnose bible)
1986 Bronco Operating Guide @ picture | SuperMotors.net
1986 Bronco Dealer Brochure @ https://www.supermotors.net/registry/2742/73384-2
1986 Transmission, Transfer Case, Axle Fluid Capacities & Towing Maximum Gross Weights by Gary @ https://www.supermotors.net/getfile/831131/original/towaxletrans86.jpg

1986 Ford Light Truck Accessories Brochure by Gary @ 1986 Ford Light Truck Accessories Brochure - Gary's Garagemahal (the Bullnose bible)

Suggest you register here.

Al
 
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Skitter302

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Yo! A quick google search can help ya find a color code to all the wires for the radio.

1986 Ford Bronco (fullsize) Stereo Wiring
Permanant 12V+ Light Green
Accessories 12V+ Yellow/Black
Ground - Black/White
Illumination Blue/Brown
Dimmer n/a;Antenna Trigger;n/a
Antenna Location Right Front
Front Left + Green
Front Left - Black/White
Front Right + White/Red
Front Right - Black/White
Rear Left + Pink/Red
Rear Left - Pink/Blue
Rear Right + Pink/Blue
Rear Right - Green/Red

The speakers themselves should have + and - marked on them. Sometimes manufacturs use different sized terminals to help aid in figuring that out.
 

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