Tennant 1235400 WDC S20E Contactor Adapter Harness Assembly
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The Tennant 1235400 is a new OEM wiring harness assembly designated HARNESS ASSY, CONTACTR ADPTR, WDC, designed as a direct replacement part for Tennant floor scrubber equipment including the S20E model. The harness features a blue 2-pin sealed Metri-Pack-style connector on one end and dual open spade/tab terminals (blue and purple wires) on the opposite end, routed through a black corrugated split-loom conduit for abrasion and flex protection. Two black plastic connector position assurance (CPA) / terminal lock clips are included with the assembly, consistent with OEM packaging. This harness interfaces the contactor adapter circuit within the WDC (Wash/Drive Controller) electrical system, providing a plug-and-play replacement that maintains the factory wiring integrity of the machine without splicing or modification. The assembly is supplied factory-sealed in a poly bag and is labeled with the Tennant part number 1235400 on a yellow adhesive label visible on the loom body.
Product Specifications
| Brand | Tennant |
| Part Number (MPN) | 1235400 |
| Assembly Name | Harness Assy, Contactor Adapter, WDC |
| Compatible Model | Tennant S20E |
| Condition | New |
| Connector Type (One End) | 2-pin sealed Metri-Pack-style, blue housing |
| Terminal Type (Other End) | Open spade/tab terminals, blue & purple wires |
| Wire Colors | Blue, Purple |
| Conduit Type | Black corrugated split-loom |
| Included Hardware | 2x black plastic connector lock/CPA clips |
| Part Label | Yellow adhesive label, Tennant 1235400 |
| Packaging | Factory-sealed poly bag |