Description
Conversion wiring harness for adapting an early B8 brushed fuel-pump installation to El Doc’s dual brushless fuel pump assembly. Plug-in connections adapt the existing B8 wiring. Follow the complete supplier installation instructions for the second level-sensor adapter, routing clear of the fuel-level float and controller connections.
Vehicle fitment
Fits the vehicle series below. Stated exclusions and installation requirements apply.
| Years | Make | Model | Series | Engine |
|---|---|---|---|---|
| 2009–2012 | Audi | A4 | B8 | All listed model engines |
| 2008–2012 | Audi | A5 | B8 | All listed model engines |
| 2010–2012 | Audi | S4 | B8 | All listed model engines |
| 2008–2012 | Audi | S5 | B8 | All listed model engines |
Installation and package
Gallery installation examples show the harness connections, sensor-adapter routing and controller location from the supplier’s B8 conversion guide. The pump and controller appear for installation context; this listing is for the conversion harness.
For early B8 installations converting the factory brushed pump system to El Doc’s brushless assembly. Requires a pump-signal tuning change. Follow the level-sensor adapter, float-clearance and controller wiring instructions.
Shipping and availability
Ships directly from El Doc Solutions. Shipping is charged separately. Contiguous-U.S. delivery ZIPs can receive Standard ground, 2-Day Air and Express overnight estimates at checkout. Alaska, Hawaii, military and international destinations receive a manual shipping quote, subject to supplier and carrier confirmation. International customs, duties/taxes and payment responsibility are confirmed before payment. Processing is estimated at 1–2 business days, pending supplier confirmation. Domestic transit estimates begin after dispatch: ground 3–5 business days, 2-Day Air 2 business days, Express overnight 1 business day. Confirm availability and the dispatch estimate before ordering.
Returns and warranty
Unused products may be returned within 30 days. Installed products cannot be returned because of a change of preference. Defective products are covered by a one-year warranty.
Contact eldocsolutions@gmail.com for return or warranty requests. Return address: El Doc Solutions, 5117 Pebble Rim St, North Las Vegas, NV 89081.










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