What resistance should the 4WABS wheel speed sensors read?

The right front, left front, and rear axle sensors are all specified at 800-1400 ohms on the diagram.

What are the resistance specs for the hydraulic control unit valves?

The iso valves are 5-8 ohms and the dump valves are 3-6 ohms per the diagram.

What wire color is the 4WABS vehicle power circuit?

Circuit 532, orange/yellow (O/Y), feeds vehicle power to pin 17 of the 4WABS control module, protected by 30A fuses in the engine compartment fuse box.

Which connector is the 4WABS control module connector and what color is it?

C119, a gray connector (part 12A581) with pins numbered up to 40, shown with full pinout including circuits like 530 LG/Y grounds at pins 1 and 14.

What is the pump motor speed sensor specification?

The pump motor speed sensor is listed as 5-40 ohms at ≥150 Hz, connected via circuits 462 (P) and 604 (O/R) at connector C122.

Home/ Registry/ Ford/ Bronco/ 1980-1986/ “That dirty old truck”/ Photo supermotors.net/registry/media/1169406

Ford Bronco 4WABS Anti-Lock Brake Wiring Diagram - Connector Pinouts C119 C121

ABS brake electronic control wiring diagram with connectors C113, C119, C402 and color codes

‹ ›

Reference · 1980-1986 BroncoAll 92 wiring diagrams

1995 Ford Bronco BOO Brake Switch & Turn Signal Wiring Diagram (Stop Lamps)

Ford C913 Connector Pinout - Automatic Day/Night Mirror Wiring Diagram

1994-1996 Ford Bronco/F-150 Airbag Circuit Wiring Diagram - SRS Sensors & Pins

Ford Bronco 4WABS Anti-Lock Brake Wiring Diagram - Connector Pinouts C119 C121

1992-96 Ford F-Series Power Window Wiring Diagram (& '97 >8500 GVWR)

1995 Ford Bronco/F-Series Instrument Cluster Pinout - C250 & C251 Connectors

1994-1997 Ford Shift Lock Actuator Wiring Diagram - BOO Switch & Circuit 511

'92-96 dual tank switch wiring diagram with C268 selector switch pinout and fuel pump relay

92wiring diagrams1980-1986 Ford Bronco More reference

Ford accessories catalog page with cellular mobile telephone and 40-channel CB emergency radio

Brochure

Ford door certification label dated 11/95 with GVWR 6300LB, P235/75R15XL tires and VIN 1FMEU15H4TLA76236

Spec plate

1992-96 Ford F-150/F-250/F-350 2WD Front Sway Bar Diagram & Part Numbers

Exploded parts

1992 Ford E4OD Transmission Fault Code Diagnosis Chart - DTC List & Symptoms

Service procedure

Schematic

1996 Ford Bronco/F-Series Starting System - Section 03-06 Contents

Manual page

Trim panel hole layout photos for positions A, B and C with tape measure readings from the body line

Blueprint

Ford 1996 5.8L vehicle information decal with vacuum hose routing diagram and ASF-32P plug

Vacuum routing

Torque spec

'95 F150 fuse and relay chart with fuse panel layout, ATC and Maxi fuse amp tables

Fuse chart

4WABS Circuit & Connectors
IF THE IMAGE IS TOO SMALL, click it.

'93 Bronco shown; '94-96 Bronco similar.
Front Wheel Speed Sensor Motorcraft BRAB30; Airtex ; Dorman 970-020; Standard ALS185; Motoneo F4TZ2C204A; Raybestos ABS530392; APDTY 081131
Rear axle ABS sensor (DY1123, F85Z-9E731-AB)

To bypass a suspected bad module, unplug the connector & install jumper wires: pin 1 (or 14; circuit 530 LG/Y) to 21 (519 LG/BK); pin 22 (523 R/Pk) to 39 (491 Or/LB). This shuts down ABS completely, but sends the ABS sensor signal directly to the PSOM for proper transmission (etc.) control.

. .

Compare to:

For relay locations, see:

Part of 1980-1986 Ford Bronco Wiring Diagrams

Owner caption May 2022 · Photo 6110 of 6546

This document is a detailed wiring diagram for the Ford 4WABS (four-wheel anti-lock brake system). It maps the complete circuit from power sources (fuse panel fuse 17 10A and fuse 13 15A, plus engine compartment fuse box 30A and 15A feeds) through the 4WABS control module, hydraulic control unit, pump motor, relays, and wheel-speed sensors. Each circuit number and wire color is labeled (e.g., 532 O/Y vehicle power, 530 LG/Y grounds, 516 Y/BK right front sensor low, 522 T/BK left front sensor low), along with component resistance specs: wheel and rear axle sensors 800-1400 ohms, iso valves 5-8 ohms, dump valves 3-6 ohms, pump motor speed sensor 5-40 ohms at ≥150 Hz. The lower half provides connector pinout drawings: the gray 40-pin C119 control-module connector, C122 pump motor connector, C402 acceleration sensor connector, C123/C124 front wheel sensor connectors, C404 rear axle sensor connector, C121 hydraulic control unit connector, and pump motor relay #2 and main relay #1 connectors, most identified by harness part number 12A581. Grounds (G100, G101), splices, the anti-lock warning indicator in the instrument cluster, the brake on/off switch feed to the PCM, and the programmable speedometer/odometer module speed-signal circuit (491 O/LB) are all shown, making this a complete diagnostic reference for tracing 4WABS electrical faults.

Is this accurate? Sign in to help verify it.

Frequently asked questions

What resistance should the 4WABS wheel speed sensors read?: The right front, left front, and rear axle sensors are all specified at 800-1400 ohms on the diagram.
What are the resistance specs for the hydraulic control unit valves?: The iso valves are 5-8 ohms and the dump valves are 3-6 ohms per the diagram.
What wire color is the 4WABS vehicle power circuit?: Circuit 532, orange/yellow (O/Y), feeds vehicle power to pin 17 of the 4WABS control module, protected by 30A fuses in the engine compartment fuse box.
Which connector is the 4WABS control module connector and what color is it?: C119, a gray connector (part 12A581) with pins numbered up to 40, shown with full pinout including circuits like 530 LG/Y grounds at pins 1 and 14.
What is the pump motor speed sensor specification?: The pump motor speed sensor is listed as 5-40 ohms at ≥150 Hz, connected via circuits 462 (P) and 604 (O/R) at connector C122.