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McElroy Fusion Discussion
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PostPosted: October 16th, 2009, 2:52 pm 
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Joined: September 29th, 2009, 2:45 pm
Posts: 239
I have an old t5000101 that sometimes won't start. It doesn't get power to the ignition switch. If I slap the board behind the gauges, i can get power back. Sometimes it works good though. The battery and alternator check out well. Any ideas?


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PostPosted: October 16th, 2009, 2:57 pm 
Intermittent electrical problems sure are fun, huh? :wink:

I bet you we can find the issue. Fortunately, most of the 12V DC wiring that powers the engine components is all pretty close together. Take the dash cluster off and inspect the board and wiring for anything obvious. Look for fuses that are bad, corrosion, dirty connections, loose connections, bare wire, etc. Let me know what you find.

P.S. I love your style. Slap that dude. It helps! :twisted:


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PostPosted: October 16th, 2009, 3:21 pm 
Also, pay special attention to this connector.


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PostPosted: October 16th, 2009, 3:26 pm 
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That is the one that looks bad. It doesn't have a screw down connector like the one in the picture though. Mine looks like this.


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PostPosted: October 16th, 2009, 3:51 pm 
Wow. It looks burned. After years of use, those things wiggle out a little and don't make a good connection. Thus the connector gets hot. The results that you are showing look very typical.

The picture I showed you was post repair. We soldered a new receptacle to the board and installed a new connector. I cleaned the board and put just a very small dap of electrical contact grease on all the pins of all of the connectors to help ward off corrosion and to help ensure a good connection.

The part number for the receptacle that is soldered to the board is a MQF00281.
The part number for the connector with a screw style lock in is a MQF00282.

Here is a close up of the new connector for the harness.


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PostPosted: July 21st, 2014, 6:42 pm 
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Joined: June 17th, 2007, 12:23 am
Posts: 125
Location: Brisbane, Australia
This post is nothing more than attaching some key search words and part numbers so to find the post later on. TB50, 4 pin plug, T5057801, T5016301, T5040506, T5016401


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