Waterloo Specialties

Honda Tractor Repair Services

Module Repair and Info services




Location of modules on a 4514. Only early serial number tractors had fuel control.
Early models are serials 1000001 - 1006846
Later models begin with 1006847


Dash removal to access combination relay. Use care with throttle knob as you lift it off the lever so you don't drop the not quite captive nut, it can fall out and get lost. Lower dash does not need to be removed.

If your 4514 has no spark, diagnosis is very simple. Unplug the black wire with red trace and retest. If still no spark the ign coil has failed. Note: both spark plugs must be hooked up to have spark and prevent damage to coil.

Closer view of the black wire with red trace. It is right between the plug wires. We can repair your coil for $60.

Coil repair $60

Combination relay repair $80


Please feel free to contact us any time with your questions or comments, and your feedback is appreciated.

Tom Bauer
(410) 549-6649

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This page last updated on 05-14-2018