Having problems with your 2007 Toyota Tundra ?

Battery went dead changed it now no power inside the dash is dead only air bag light no radio no a/c no windows no alternator truck starts i touch a hot wire to the ecu fuse inside of truck and everthing start working .where does this fuse get it power from ?

Posted / edited by AnonymousUser on : 21-01-2019

Answers :

Hook the battery up or try to jump-start backwards did we?
\015\012The ECU fuse gets it's power from the 140 Amp (or 180 Amp, depending on which engine your vehicle is equipped with) ALTERNATOR fuse in the engine compartment fuse block.
Hello and welcome to FixYa!\015\012
\015\012It gets power from the ecu relay. It may not start at first specially after battery replacement for it's relearning itself. Once the computer relearned itself the vehicle may work normally again. Touching the ECU fuse may have jumpstart the ECU that's why it worked after.\015\012
\015\012Hope this helps and thank you for using FixYa! Have a good one!
Repair Help & Product Troubleshooting for 2007 Toyota Tundra

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