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Finally got hold of a 1687846YP Push Button to Key Ignition Kit. Failed after 4 hours of mowing. Delta Systems, Streetsboro, Ohio. Date Mfg-4F0, Style 037.

More confusing information. Pic labeled 1687846YP - CONVERSION KIT, PUSH BUTTON START TO KEY SWITCH START PUSH BUTTON START TO KEY SWITCH

Found 12VDC at the fuel solenoid but it seems flaky as if the current is lacking (good old solid-state leakage and high input impedance digital meters). Can't feel or hear any response from the solenoid. Hesitant to cut the wires for a current measurement so I ordered a replacement. Oddly prices...

I will be checking the power to the fuel solenoid should the replacement conversion kit not fix the problem. Can't believe they would manufacture a lawn tractor that can't be washed. Should ship on July 14th.

Removed parts. Black box uses 10 out of 12 wires

Can't get the new switch out to check #. The button has a start symbol, but no text. How would I ID an EFI engine? Engine S/N 18 0212 YG 57713, 23 HP, not for sale in Cal.

Key

Close but not quite. The new switch is a push-button with no real key. No rotation and depression is locked out by the removal of a yellow plastic stick. (Much less vulnerable to passing tree limbs).

I'll scan the B&S conversion instructions for you but the circuit info is limited.

Engine 18-0212 YG57713, Tractor Model 2691335-04 S/N 1000028465. Push-button start switch appears to contain all the logic in the black box which gets tossed in the conversion process .

I recently hosed my black box ignition module on a 2 yo Simplicity Broadmore. Local dealers said the part was back-ordered till November. Tracked down a radical conversion kit (1687846YP) that replaces the sealed module with a new start switch. Now engine cranks with spark but no power to the...