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99 Tacoma Electrical Problem?

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Old 11-27-2008, 08:09 PM   #1
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99 Tacoma Electrical Problem?

Hello,

My son has a 99 Tacoma 2.4

Yesterday the truck would not start, he had some blown fuses. EFI, dome light. We replaced all of them.

Truck still wont start not a sound from starter, it is just dead. Items that should work with accessory on do not, such as radio, turn signals.

Everything that is supposed to work with ignition off DOES work, headlights, dome light, hazards etc.

Any ideas where to look, relay, master fuse? It is a brand new battery..

Thank You
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Old 11-27-2008, 08:55 PM   #2
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Was the truck jumped backwards you know positive on negative and negative on positive sounds like a lot of fuse's ? Use the below link scroll to the bottom to the wiring diagrams look at relay locations page 21 fuse box R/B 2 this is located under the hood in there is where medium and high current fuses are located check to see if one is blown.

http://www.ncttora.com/fsm/2000/index.html
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Old 11-28-2008, 12:16 AM   #3
mcvoss [OP] mcvoss is offline
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BeefTaco,

I believe it was jumped incorrectly.

What is the best way to test a relay and any suggestions which one I should start with.

Thank You for your help!

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Originally Posted by BeefTaco View Post
Was the truck jumped backwards you know positive on negative and negative on positive sounds like a lot of fuse's ? Use the below link scroll to the bottom to the wiring diagrams look at relay locations page 21 fuse box R/B 2 this is located under the hood in there is where medium and high current fuses are located check to see if one is blown.

http://www.ncttora.com/fsm/2000/index.html
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Old 11-28-2008, 07:48 AM   #4
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The fuses to check would be AM1 and AM2 also the 120 amp ALT fuse. These fuses are in the fuse block R/B No.2 in the engine compartment they are the larger pink fuses in the back of the fuse block they have a plastic top on them use a flash light to see if they are blown. They are difficult to check with a test light but more than likely they are your problem for the no start and no power into the truck.
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Old 11-28-2008, 08:30 AM   #5
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Also, look around for any wires in which the coating may show signs of melting, or excessive heat. I had a friend jump my Chevy and he reversed the jumper leads. one wire in the back going to the ignition burned up. No fuses blew. Truck wouldnt start, but everything worked until I replaced that wire, and then promptly smacked my friend in the head.
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Old 11-28-2008, 07:39 PM   #6
mcvoss [OP] mcvoss is offline
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THANK YOU!!

Yes it was the Alt fuse that was blown. You are right those are hard to see.

Thanks again for the quick and accurate responses

Have a great Holiday Season.

Michael


Quote:
Originally Posted by BeefTaco View Post
The fuses to check would be AM1 and AM2 also the 120 amp ALT fuse. These fuses are in the fuse block R/B No.2 in the engine compartment they are the larger pink fuses in the back of the fuse block they have a plastic top on them use a flash light to see if they are blown. They are difficult to check with a test light but more than likely they are your problem for the no start and no power into the truck.
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