How to solve the problem of no high speed in the fan of an old Audi A4?

[OHarmony]

Audi old A4 fan has no high speed to check the fan controller, fuse, circuit (the circuit of this car is prone to poor contact in hot state), and the poor contact of the fuse terminal. The following is an introduction to the first-generation Audi A4: 1. Introduction: The first-generation Audi A4 is a new mid-size sedan launched by Audi in 1994 based on the Volkswagen B5 platform. This sedan shares the same production platform as the fourth-generation Volkswagen Passat. This model features a longitudinally mounted engine and front-wheel drive layout, but many consumers still opt for high-end models equipped with the Quattro four-wheel drive system. The first to hit the market was the four-door sedan, with the station wagon version being introduced a year later. 2. Power: The Audi A4 is the first model of the Volkswagen Group to be equipped with a 1.8L 20-valve engine, which also has a turbocharged version capable of delivering a maximum power of 110Kw and a maximum torque of 210Nm. European consumers can choose from a wide range of engine configurations within the 1.6-2.8 liter displacement range, including a 1.9L diesel direct injection engine.