Possible wireing problem

1989 MAZDA B2200
17,500 MILES
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DFWDUDE
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I have a 1989 Mazda B2200 truck. Several months ago I removed the engine. A month or so went buy before I got a better engine put back in,then a few more months went by before I got around to connecting every thing. Now I am having some problems with getting the electrical correctly hooked up.I have searched and printed out every wireing diagram i could locate but none of them really give me a clear concise picture of what I need.
When I use a key (or a remote starter) to crank the engine it barely responds with maybe one or two slow rotations.
The battery is new,I have even tried with another battery to make sure. The starter is good and I am now at a loss at how to proceed.
What are the possible things I need to check ? A fuse? A inline fuse? wired wrong or incomplete?
What? Help please.
I know some will say to just junk it but the truck has sentimental value and would like to keep using it as a farm truck.
Thank you for any advice.

Jan 18, 2012 at 8:46 PM
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DOCFIXIT
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Check ground connection make sure clean and tight
Jan 18, 2012 at 9:00 PM
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DFWDUDE
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I cleaned both battery posts,the ground for negative side of battery and the connections and posts on the starter.I can hit the button and motor cranks a slow turn or two and stops.
Jan 18, 2012 at 10:33 PM
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DOCFIXIT
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check ground to engine and body. do you have a Volt meter?
Jan 18, 2012 at 10:44 PM
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DFWDUDE
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The one I had is no good,I will get another and do tests.
Jan 18, 2012 at 11:04 PM
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DOCFIXIT
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O.K. do you know how to do a voltage drop test?
Jan 19, 2012 at 6:37 PM