Question about Isuzu Cars & Trucks
After hooking up battery wrong I have no electrical Power in truck . I changed a blown fuse and still nothing!
Disconnect the main battery to alternator wire and check again.
NOTE: DO NOT FORGET TO INSULATE THE REMOVED WIRE WITH INSULATING TAPE DURING THE TEST.
The diode rectifiers in the alternator may have become shorted due to the reverse polarity.
Posted on Dec 28, 2013
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Posted on Jan 02, 2017
SOURCE: no power to the fuse box
i think it has 2 boxes. but id look at the ignition switch. do the headlights work. and is there a big fuse very close to the battery you might be over looking. and a lot of time the fuse box gets power from the starter. check to see if you have power there. and does this truck turn over good luck
Posted on Nov 23, 2008
most likley the positive wire has corroded off the starter. look at the small red wire more closely, if theres alot of corosion, replace the wire (and starter if needed) if you dont see much corrosion give the wire a good tug just to see if it really is hooked up well. you should disconnect the batt. before doing any of this.hope this helps and good luck
Posted on May 26, 2009
usually fusible links cause this look for a fuse box under the hood close to the battery if its there and has giant fuses in it it is probably one of them. If it does not have giant fuses then it is a wire type fusible link you can test either using a standard 12v test light just check both sides for power.
Posted on Aug 06, 2009
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