What fuse powers the Bronco base radio's constant battery feed?

Fuse A, a 20A fuse in the engine compartment fuse box (hot at all times), feeds the radio BATT (B+) pin 8 via a LT GRN/PPL wire, circuit 797.

Which fuse supplies the radio ignition/accessory power?

Fuse 11, a 15A fuse in the fuse panel (hot in accessory or run), feeds the radio ignition pin 6 via a YEL/BLK wire, circuit 137.

What are the speaker wire colors on the base radio?

Right rear: BRN/PNK (-) and PNK/LT BLU (+); right front door: DK GRN/ORG (-) and WHT/LT GRN (+); left rear: TAN/YEL (-) and PNK/LT GRN (+); left front door: LT BLU/WHT (-) and ORG/LT GRN (+).

Where does the radio ground?

Pin 7 (BLK, circuit 57) grounds at G200, and pins 1 and 3 (BLK/LT GRN, circuit 694) ground at G203.

Which wires handle radio illumination?

Pin 5 ILLUM (LT BLU/RED, circuit 19) and pin 4 LCD ILLUM (ORG/BLK, circuit 484) connect to the interior lights system.

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1996 Ford Bronco Base Radio Wiring Diagram - Pinout, Wire Colors & Speakers

Ford radio wiring diagram with fuse A 20A, fuse 11 15A and four speaker circuits

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Factory radio wiring diagram showing connectors C257/C258, power on fuse A (20A) and fuse 11 (15A), grounds G200/G203 and color-coded leads to four door/rear speakers.

AI caption October 2013 · Photo 893 of 3001

This wiring diagram covers the base (non-premium) radio circuit for a Ford Bronco. It shows the radio's two connectors, C257 and C258, with full pinouts, wire colors, and circuit numbers. Power comes from two sources: Fuse A (20A) in the engine compartment fuse box, hot at all times, feeding the radio's BATT (B+) input on a LT GRN/PPL wire (circuit 797); and Fuse 11 (15A) in the fuse panel, hot in accessory or run, feeding the ignition input via YEL/BLK (circuit 137). Grounds are through BLK circuit 57 to ground point G200 and BLK/LT GRN circuit 694 (two pins) to G203. Illumination (LT BLU/RED 19) and LCD illumination (ORG/BLK 484) connect to the interior lights system. Connector C258 carries the eight speaker wires: right rear (BRN/PNK 803, PNK/LT BLU 806), right front door (DK GRN/ORG 811, WHT/LT GRN 805), left rear (TAN/YEL 801, PNK/LT GRN 807), and left front door (LT BLU/WHT 813, ORG/LT GRN 804). Each speaker's positive and negative wire colors are labeled at the speaker end, making this useful for radio replacement, speaker wiring, or diagnosing power/ground issues in the factory base audio system.

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Frequently asked questions

What fuse powers the Bronco base radio's constant battery feed?: Fuse A, a 20A fuse in the engine compartment fuse box (hot at all times), feeds the radio BATT (B+) pin 8 via a LT GRN/PPL wire, circuit 797.
Which fuse supplies the radio ignition/accessory power?: Fuse 11, a 15A fuse in the fuse panel (hot in accessory or run), feeds the radio ignition pin 6 via a YEL/BLK wire, circuit 137.
What are the speaker wire colors on the base radio?: Right rear: BRN/PNK (-) and PNK/LT BLU (+); right front door: DK GRN/ORG (-) and WHT/LT GRN (+); left rear: TAN/YEL (-) and PNK/LT GRN (+); left front door: LT BLU/WHT (-) and ORG/LT GRN (+).
Where does the radio ground?: Pin 7 (BLK, circuit 57) grounds at G200, and pins 1 and 3 (BLK/LT GRN, circuit 694) ground at G203.
Which wires handle radio illumination?: Pin 5 ILLUM (LT BLU/RED, circuit 19) and pin 4 LCD ILLUM (ORG/BLK, circuit 484) connect to the interior lights system.