why won't my nissan titan start after battery replacement
Check the connections be wiggling them for a good amount of force. If they're able to turn, tighten them more.
Locate the starter. Have someone hold your key to the ON position. As they hold the key, rap on the starter with a hammer. If the truck suddenly turns over, your starter is bad. If that doesn't work, try starting the truck in neutral. You may have a bad neutral safety switch. Post back with results......
That's good advice. But if battery cables are good, does the red led anti-theft stop flashing when you insert key? If not, the immobilizer might have lost it's programming and key is not communicating with ECU
How can I check the ecu communication with the key?
How can i check to see if my key still program with my truck
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