IM not getting any power through the truck what to do

Tiny
JAMESGDOGS
  • MEMBER
  • 1995 CHEVROLET S-10
  • 196,000 MILES
I took the motor out of my my 95 chevy zr2 and put it back in and replaced the battery, and the starter is good had it tested its good checked all the fusable links there good and all the fuses are good I cleaned the ground on the back of the block and the front of the block all grounds are good and im still not getting any power through the whole truck
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Monday, February 6th, 2012 AT 3:09 PM

12 Replies

Tiny
JDL
  • EXPERT
Will it start and run? What is it that doesn't have power?
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Monday, February 6th, 2012 AT 5:01 PM
Tiny
JAMESGDOGS
  • MEMBER
It will not run or crank it gets power to the starter but no where else it doesn't get power to the fuse box inside the truck there are no lights working no stereo no gauges not even a clicking sound when I turn the key and it does not spark when I touch the positive wire to the positive terminal
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Monday, February 6th, 2012 AT 6:10 PM
Tiny
JDL
  • EXPERT
Note the diagram. For the starter, the red wire at ignition switch is hot all the time. With the key in the crank position, the yellow wire goes hot. Carries voltage through the neutral or clutch switch, depending if the tranny is auto or manual. The purple wire at the starter solenoid should be hot with key in the crank position. Any testing at the starter make sure the tranny is in park or neutral and the e-brake is set.
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Monday, February 6th, 2012 AT 7:09 PM
Tiny
JAMESGDOGS
  • MEMBER
Well the truck is automatic and the red wire on the ignition has no power what so ever
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Tuesday, February 7th, 2012 AT 2:01 AM
Tiny
JDL
  • EXPERT
You can see where the red wire comes from, backtrack the circuit for voltage.
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Tuesday, February 7th, 2012 AT 5:13 PM
Tiny
JDL
  • EXPERT
So, does the bat terminal at the alternator have any voltage?
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Tuesday, February 7th, 2012 AT 5:14 PM
Tiny
JAMESGDOGS
  • MEMBER
The wire at the alternater has no voltage at it at all
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Tuesday, February 7th, 2012 AT 6:05 PM
Tiny
JDL
  • EXPERT
Are you using the negative battery post for a ground? The battery has a full charge? If your sure all the grounds are ok, replace circuit and fusible link from b+ to alternator bat terminal.
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Tuesday, February 7th, 2012 AT 6:50 PM
Tiny
JAMESGDOGS
  • MEMBER
The battery is new it's getting 12.8v coming thru the batt and where would be the fuse able link at for the alternater like on the back side and what should happen when I replace that
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Tuesday, February 7th, 2012 AT 7:19 PM
Tiny
JDL
  • EXPERT
Just for testing, Take the connector loose from the alternator bat terminal. Insulate that wire don't let it touch anything, just in case. Use a jumper wire between positive battery post and alternator bat terminal, if the wire starts getting hot, take it loose. Use proper size wire. Don't forget the red wire that connects to that wire also, note diagram. If it works ok, go to the autostore and get a fusible link, place that in jumper wire. Route the jumper properly to get it out of the way. You will have to make a splice at the pigtail that comes from the positive battery post. Then there should be voltage at the alternator bat terminal.

I hope I'm not confusing you, I can show you better than I can tell you. I can't see much from here.
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Tuesday, February 7th, 2012 AT 7:53 PM
Tiny
JAMESGDOGS
  • MEMBER
What do I check after this and will this get power to the rest of my truck
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Tuesday, February 7th, 2012 AT 8:44 PM
Tiny
JDL
  • EXPERT
Hopefully you will have power.
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Wednesday, February 8th, 2012 AT 4:46 PM

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