Schematics — Ford Probe 1993-1997

Technical Reference

Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.

Schematics

• Tachometer Output from Coil Negative - 1N4004 Diode Rev Counter Schematic
  This document is a simple electronics schematic showing how to create a tachometer (rev counter) output signal from ignition coil negative (-ve) terminals, typically when converting to a coil-per-cylinder or…
• MegaSquirt MS2 VR/Tach Input Circuit Schematic - 4N25 Opto & MC34072AP Debug
  This document is an annotated electronic schematic (filename 'ms2 fail.jpg') showing a tach/ignition input-conditioning circuit, apparently from a MegaSquirt-style engine controller. It includes an opto-isolator (U3…
• Exhaust Venturi Turbo Flow Schematic - Intake Air, Fuel & Exhaust Gas Diagram
  This document is a conceptual schematic (not a text-based reference) showing gas flow paths through an engine system. Only three text labels appear: FUEL, INTAKE AIR, and EXHAUST GAS. The drawing depicts a…
• Garrett T3 60 Trim Turbo Compressor Map with Plotted Operating Line
  This document is a compressor map for a Garrett T3 turbocharger with a "60" trim compressor wheel. The map plots pressure ratio (P2C/P1C, from 1.00 to 3.00) on the vertical axis against corrected air flow…
• Ford Probe ECU Board U6 MAX232-Type IC Pin Voltages - Good Board Reference
  This document is an annotated electronic schematic showing a 16-pin serial line driver/receiver IC labeled U6 (with pin functions C1+, V+, C1-, C2+, C2-, V-, T2OUT, R2IN, R2OUT, T2IN, T1IN, R1OUT, R1IN, T1OUT, GND, Vdd…
• U6 Chip Serial Interface Schematic & Test Voltages - Shorted Board Diagnosis
  This document is a partial electronic schematic, annotated by hand, focused on the U6 chip of a circuit board (an RS-232 level converter type IC with C1+/C1-, C2+/C2-, V+, V-, T1IN/T1OUT, T2IN/T2OUT, R1IN/R1OUT…
• 68HC908GP32 Microcontroller Pinout with 5V & GND Annotations - Ford Probe Schematic
  This document is a cropped schematic excerpt showing the complete 40-pin pinout of a Motorola/Freescale 68HC908GP32 microcontroller, labeled U1. All 40 pins are shown with their signal names: power and oscillator pins…
• MegaSquirt II Power Supply & CPU Clock Schematic with Voltage Test Readings
  This document is a schematic of the power supply and CPU clock sections of a MegaSquirt-II (MSII) engine management controller board, annotated by hand in red with measured voltage readings, apparently for…
• MegaSquirt DB37 & DB9 Connector Schematic - Pinout, Jumpers & Test Voltages
  This document is a schematic page titled "Megasquirt - Connector," showing the connector and serial-communication section of a MegaSquirt DIY engine management (EFI) controller. It depicts U6, a 16-pin RS-232…
• Megasquirt MSII Power Supply Schematic - LM2937ET-5.0 5V Regulator & CPU Clock
  This document is a power supply schematic page (apparently from a Megasquirt-style engine controller board) with handwritten troubleshooting voltage measurements marked in red. The printed circuit shows a 12V raw input…
• MegaSquirt DB37 Connector & DB9 Serial Schematic with U6 Voltage Test Points
  This document is a page from a MegaSquirt DIY engine management (EFI controller) schematic, specifically the "Megasquirt - Connector" sheet. It shows the serial communications circuit built around U6 (a 16-pin RS-232…
• Twincharged Setup Schematic - M62 Supercharger + T66 Turbo Plumbing Diagram
  This document is a hand-drawn schematic (uploaded as "twincharged.jpg") illustrating a custom "twincharged" forced-induction setup combining a supercharger and a turbocharger. The drawing shows an engine with plumbing…
• 1993 Ford Probe Ignition System Schematic - Distributor, ICM & PCM Wiring
  This document is a screenshot of an ALLDATA (alldatapro.com) ignition system schematic, uploaded as a reference for a 1993 Ford Probe. The diagram shows the internal layout of the distributor assembly, which houses the…
• Ford Probe ECT/CLT Sensor Circuit Mod Schematic - Before/After Comparator Sketch
  This is a hand-drawn engineering sketch, drawn on the back of (or over) a printed schematic sheet dated Sunday, March 27, 2011 (Rev 3.0, Sheet 6, name partially reading "...Grippo"). It documents a before/after…
• Ford Probe Cooling Fan Relay Comparator Mod Schematic - Denso 179700-0220 ECT
  This is a hand-drawn electronic schematic comparing a cooling fan control comparator circuit "BEFORE" and "AFTER" a modification. Both sides show an op-amp comparator circuit powered by VCC 4.8V with a BIAS resistor of…
• Ford Probe DIY High-Speed Fan Trigger Circuit - LM393 Comparator Schematic
  This is a hand-drawn electronic schematic sketched in pen (with some traces highlighted in yellow) over a faint printed factory wiring diagram, uploaded to a 1993 Ford Probe gallery. The circuit is built around an…
• 60-2 Crank Trigger Wheel Diagram - Tooth Positions A/B/C, VR Sensor Alignment
  This hand-annotated schematic shows a 60-2 (60-minus-2) crankshaft trigger wheel and how its teeth relate to ignition/timing trigger positions. The wheel diagram is labeled with tooth numbers around its circumference…
• 60-2 Crank Trigger Wheel Diagram - VR Sensor & Tooth Alignment (Ford Probe)
  This is a hand-annotated schematic drawing of a 60-2 crankshaft trigger wheel (60 tooth positions with 2 teeth missing) used for engine position sensing with a VR (variable reluctance) sensor. The drawing shows the…
• Ford Probe VRIS Switching Valve Diagram - Torque vs RPM Intake Operation
  This schematic illustrates the operation of a Variable Resonance Induction System (VRIS) intake manifold with two switching valves (A and B). The top portion shows a cutaway drawing of the intake manifold identifying…
• V-12 Engine Transparent 3D Cutaway Rendering - Internal Components View
  This image is a computer-generated (CAD-style) transparent rendering of a V-configuration piston engine, apparently a V-12 based on the upload filename and the number of visible cylinders arranged in two banks. The…
• Ford Probe Supercharger Intake Layout Schematic - SC/IM, TB, VAF, Filter Diagram
  This is a simple hand-drawn digital schematic (appears to be created in a basic paint program) illustrating an engine intake layout, apparently for a supercharger/intake manifold arrangement. The upper portion shows a…
• Timing Chain & Sprocket Layout 3D Diagram - 1994 Ford Probe Gallery Upload
  This document is a computer-generated 3D illustration (CAD-style rendering) of a timing chain drive assembly, uploaded to a 1994 Ford Probe gallery. The image shows a single timing chain (rendered in tan/gold) wrapped…
• V-12 Engine Cutaway 3D Render - Overhead View of Pistons, Cams & Belt Drive
  This document is not a text-bearing schematic but a 3D rendered illustration of a large V-configuration engine, apparently a V-12 based on the filename and the number of visible cylinders per bank. The render uses a…
• 1994 Ford Probe Intake Manifold Sketch - Long & Short Runner Ports, Throttle Body
  This document is a hand-drawn pencil sketch (schematic-style illustration) of an automotive intake manifold, uploaded as "intake.jpg" to a 1994 Ford Probe gallery. The drawing shows a multi-runner intake manifold in…
• Simple Home Network Diagram - ADSL Modem, Wireless Router, Wired & Wireless PCs
  This document is not an automotive schematic; it is a simple home computer networking diagram titled "Simple Home Networking and Internet Connection Sharing." It depicts the rear panel of a wireless router (with two…