How to test a starting system on a 2000 Jeep Wrangler 4.0 using just a basic test light. In this video I will be showing you how to quickly locate the problem of any no crank problem, on any car.

Symptoms
- engine does not crank
- headlights remain bright

Fix
- replace faulty starter motor

Tests shown
- how to determine battery state of charge without a voltmeter
- discuss what variables you need to consider when using the headlights as a guide during cranking
- how to test a starter motor using a test light
- how to test the starter ground on the block
- how to determine ignition switch and park/neutral switch operation
- how to bench test a starter motor

Tools used
- incandescent test light
- remote battery jump starter
- pocket screwdriver

Playlist
- Starting, Charging and Battery system problems
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- How to troubleshoot a no crank problem (94 Toyota Celica)
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- Engine does not crank (seized alternator) - Mini Cooper
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- How to test a starter motor (no crank from a bad block ground) - Nissan
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- How to troubleshoot a starting system (bad ignition switch) - Dodge Neon
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For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book.
Want even more diagnostic training? Whether you are a DIY trying to fix your own car, someone looking to become an auto technician, or a current auto technician that wants to get more into diagnostics, subscribe to ScannerDanner Premium [ Ссылка ] There is a 14 day free trial.
On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. What is so special about these classroom case studies? I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere!

Disclaimer:
Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC.

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