Ignitions and Electrical Wiring Harnesses

WEBASTO

WIRE HARNESS POWER-SWITCH SMTP_3_BT

$225.29

SKU: W040 5013885A

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Webasto 5013885A is a wiring harness adapter designed for specific Webasto heating systems. This harness is used when upgrading a Thermo Pro 90 or Thermo Pro 150 Enclosure Box kit from a rocker switch or Smartemp 2.0fx control to a Smartemp 3.0 control. It supports both 12 vdc and 24 vdc systems. The harness consists of two legs, with Leg 1 measuring 5.5 meters for battery power source connection and Leg 2 measuring 7.5 meters for connection to the control device.

Fitment

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Specifications

BrandWEBASTO
Part NumberW040 5013885A

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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