marți, 26 ianuarie 2016

Alfa GTV & 916 Spider - Repair an Non Functioning Hazard Light / Indicator Relay

Just done this quick fix, thought I would share my findings.

The problem: your hazards or left, or right indicators aren't working (perhaps intermittently, or not at all, but check the fuse first).

The solution:
  • Remove the fuse cover panel under the steering wheel.
  • Locate the hazard / indicator relay. This is below the steering wheel, just to the right hand side. If either your hazards/indicators work, turn them on and the relay will tick, helping you locate it.
  • Push the relay and relay base firmly upwards to dislodge it from its neighbor. It's a black relay on a black base.
  • Pull the relay off its base and go indoors, fire up the soldering iron.
  • Remove the cover of the relay by pushing 2 thin screwdrivers into either side where the clips are.
  • With the cover removed, you can see the circuit. Along one edge there are 7 soldered contacts which go to the spade terminals on the outside of the relay 
  • These joints are dry joints! The higher than normal resistance has caused a heat build up that has melted the plastic along this edge! The resistance also causes a voltage drop which means the circuit doesn't function properly.
  • Unsolder all the contacts, and remove the old solder using a solder sucker
  • Lay some nice new solder on. It's hard to get a neat joint because the spades are so huge and act as big heat sinks! You need a fairly decent soldering iron (I only have a crap one, so my joints look crap)
  • Once resoldered, re-assemble the relay and put it back in the car. 
  • Enjoy parking illegally again .

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