Schumacher SJ1342 User Manual (English)

Questions and Answers:

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Wyatt ShermanAug 7, 2025
Why won't my Schumacher Remote Starter jump start my car?
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  Kerri TuckerAug 7, 2025
  There are several reasons why your Schumacher Remote Starter might fail to jump-start your car: * The internal battery may not be charged. Press the Battery Status button to check the charge level. * The connections could be reversed. Disconnect the unit and reverse the clamps. * The clamps might not be making a good connection. Ensure clean and secure connections to both the battery and the frame. * The vehicle's battery may be defective and need to be checked. * The unit might not be turned on. Make sure the unit's ON/OFF switch is in the ON position.
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rachel83Aug 18, 2025
Why does the internal battery of my Schumacher SJ1342 Remote Starter not hold a charge?
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  Brandon Farmer MDAug 18, 2025
  If the internal battery of your Schumacher Remote Starter won’t hold a charge, it could indicate that the battery is faulty and unable to accept a charge. It's recommended to have the battery checked.
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Vincent MichaelAug 28, 2025
What to do if my Schumacher SJ1342 Remote Starter won't power my 12V device?
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  Heather LeAug 28, 2025
  If your Schumacher Remote Starter won't power your 12V device, here's what might be happening: * The internal battery may not be charged. Check the battery status by pressing the Battery Status button. * The 12V device could be drawing more than 20A, experiencing a short circuit, or the internal fuse might have blown. In this case, a qualified service person needs to replace the internal 20A fuse. * The 12V device may not be turned on. Ensure the device is switched on.

Schumacher SJ1342 Specifications

General

Type	Jump Starter
Compatibility	12V vehicles
Battery Voltage	12V
Features	LED Light, USB port
Outlets	USB
Battery Compatibility	Lead-Acid
Clamp Type	Heavy-duty clamps