Attempting to start my car causes all power to alternate on/off and resets radio

Asked by Mar 10, 2013 at 08:21 PM about the 2007 Ford Focus ZX4 SES

Question type: Maintenance & Repair

Attempting to start my car causes all power to alternate on/off and resets radio. Sometimes the car starts...usually it doesn't

6 Answers

96,955

It sounds like your battery is low on power.

New Battery. The lights are very bright until i turn the key then everything shuts off completely.

20,235

do you have it correct polarity ?

8,415

Check the negative battery cable. Make sure it is firmly attached to the body/engine. This sounds like a ground problem to me. Check bot cables to make sure they are tight to the battery. Also, with the age of the car, it might be worth while replacing both cable, and don't forget the ground strap that joins the engine to the body.

92,605

Check for corrosion on your battery cable connections, contact areas should be shiny clean.

745

Sometimes the terminals on the battery are just not tightened - also does that...

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