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Automotive Circuits and Projects (17)

Browse through a total of 17 Automotive Circuits and Projects.

Single Pushbutton Latching Relay Engine Start Circuit

Single Pushbutton Latching Relay Engine Start Circuit

Jim Keith - 10/03/2015

Small engines often have two pushbuttons: A start pushbutton to operate the starter motor and a stop pushbutton [...]
Functional Schematic

Troubleshooting Automotive Ignition Systems – Part 2

Jim Keith - 11/14/2013

The intermittent stalling problem was solved by replacing the distributor. This is the sequel to troubleshooting my ‘86 [...]
Troubleshooting Car Ignition Systems Schematic

Troubleshooting Automotive Ignition Systems – Part 1

Jim Keith - 06/22/2013

Automobile ignition systems have never been more reliable, but when not, how does one troubleshoot? and is it [...]
555 Ignition Coil Driver Schematic

555 Ignition Coil Driver

Jim Keith - 06/21/2013

This ignition coil driver is a HOT one! From my recollection, it delivers a nastier spark than the [...]
ADLS - Fig 2

Adaptive Lighting System for Automobiles

T.K. Hareendran - 04/24/2013

When a vehicle is driven on the highway at night, it is required that light beam should be [...]
Trailer Stop & Turn Converter Schematic 2

Trailer Stop & Turn Signal Converter

Jim Keith - 04/05/2013

If you ever wondered why your trailer Stop/Turn signal lamps are so dim you are not alone. The [...]
12V Load Switch

Engine Running Detector, Load Switch

Jim Keith - 11/07/2012

This circuit determines when an engine is running, and when running, it turns on a solid-state switch to [...]
ETA Automotive

Low Voltage & Automotive Circuit Protection

Jim Keith - 11/03/2012

TO BE READ BY ALL ELECTROSCHEMATICS ENTHUSIASTS! Much needs to be said about this oft neglected subject. We [...]
auto white led light circuit schematic

Automobile White LED Light

T.K. Hareendran - 01/07/2011

Without any dedicated buck converter/white LED driver IC, you can safely drive many standard Hi-efficieny white LED modules [...]
12v car interior light dimmer circuit schematic

Car Interior Light Dimmer

T.K. Hareendran - 10/14/2010

Ultra simple car interior light dimmer circuit of a pulse width modulated (PWM) energy saving dc lamp dimmer [...]

12V Car Battery Monitor

T.K. Hareendran - 08/05/2010

Here is an interesting Car Battery Monitor circuit of a low power electronic dc voltmeter circuit that can [...]
12 volts car adapter diagram

Safe 12V Car Adapter Circuit

T.K. Hareendran - 08/03/2010

Safe 12V car adapter described here can be used to limit a +12 volt car battery current, available [...]
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