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94 Honda FourTrax 300 in great shape but.....

Posted on 2/15/19 at 3:36 pm
Posted by Yewkindewit
Near Birmingham, Alabama
Member since Apr 2012
19997 posts
Posted on 2/15/19 at 3:36 pm
A friend bought this great looking FourTrax with new rims and tires, new wiring harness, new stator, new ignition module, new battery, new solenoid, great plastics, new plug wire and coil, etc. CDI box is still original. He paid $500.

Problem is whenever you connect the battery to the positive terminal the engine turns over and has no spark. We disconnected the ignition switch, cdi box, solenoid, starter/kill switch and connect the battery and it still turns the engine over. We traced every wire and every connection seems right.

Certainly perplexed on this. Could it be the starter is somehow always engaged?
Ground somewhere?

Thanks for any input. Friend is 82 and likes to piddle and bought it thinking he could fix it for teenage grandkids.
Posted by tigerfoot
Alexandria
Member since Sep 2006
56182 posts
Posted on 2/15/19 at 3:40 pm to
So you are saying it turns over as soon as you connect the battery? Does it do it with it in gear?
Posted by bamarep
Member since Nov 2013
51788 posts
Posted on 2/15/19 at 5:12 pm to
Sounds like a bad start button or solenoid.
Posted by weadjust
Member since Aug 2012
15072 posts
Posted on 2/15/19 at 5:42 pm to
The starter engaging when battery connected problem.
1- the solenoid is not wired right
2- the solenoid is stuck and bad even though it is new
3- the wiring is shorted
4- the starter switch is stuck or shorted

Based on the # of new parts fired from the parts cannon. I would lean toward it being 1 or 3.

Does the starter engage when the battery is connected with no key and the ignition switch in the off position?

The no spark is probably a different issue.

I have the 1988-94 Honda Fourtrax Service manual in PDF format if you need it.
This post was edited on 2/15/19 at 5:57 pm
Posted by Yewkindewit
Near Birmingham, Alabama
Member since Apr 2012
19997 posts
Posted on 2/15/19 at 6:06 pm to
Does the starter engage when the battery is connected with no key and the ignition switch in the off position?

Yes.
Posted by Yewkindewit
Near Birmingham, Alabama
Member since Apr 2012
19997 posts
Posted on 2/15/19 at 6:10 pm to
Does it do it with it in gear?

Yes
Posted by weadjust
Member since Aug 2012
15072 posts
Posted on 2/15/19 at 6:58 pm to
So basically when you hook up the battery it's doing the same thing that would happen if you jumped the solenoid with a screwdriver. You have the wiring from the battery to solenoid to starter wrong or one of those wires is shorting to ground.

Assuming the solenoid is working
Posted by LEASTBAY
Member since Aug 2007
14246 posts
Posted on 2/15/19 at 7:27 pm to
Solenoid is stuck. I don't see what else it could be unless you have it wired some kind of crazy way.
Posted by poochie
Houma, la
Member since Apr 2007
6168 posts
Posted on 2/15/19 at 7:53 pm to
I’ll buy it for $501
Posted by Gatorgar
la
Member since Jan 2019
228 posts
Posted on 2/15/19 at 8:03 pm to
Solenoid is stuck or they landed both positive wires on the same side of the solenoid. Very easy fix
Posted by diat150
Louisiana
Member since Jun 2005
43440 posts
Posted on 2/15/19 at 8:07 pm to
See if the solenoid is getting 12volts on the coil. If it isn't, then the contacts on the solenoid are welded together or the solenoid is not wired properly.
Posted by Yewkindewit
Near Birmingham, Alabama
Member since Apr 2012
19997 posts
Posted on 2/16/19 at 9:07 pm to
Will check these suggestions tmo and come back here. I’ll run by his house and fiddle with the wires and use a tester.
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