5 AMP Turn signal draw

Discussion in 'General Chevy & GM Tech Questions' started by willardearl76, May 3, 2010.

  1. willardearl76

    willardearl76 New Member

    When I have my turn signal on the voltage gauge on the dash moves. I clamped an ammeter on the alternator and it will jump 5 amps when the turn signal light is on.

    Is this normal or a sign of another problem lurking in the wire looms?

  2. bigdaddy77084

    bigdaddy77084 Epic Member 5+ Years 500 Posts

    Me too.....
  3. TrailLeadr

    TrailLeadr Epic Member 5+ Years 1000 Posts

    how much is it moving? 5 amps doesn't sound too bad. I'm pretty sure your fuse is rated for 10.
    It could be a sign of either a dying battery or a weakening charging system.

    Or it could be that it's always done it and you jus now noticed it.
  4. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    5 amps is just about right for two bulbs.

    The gauges in those trucks would move when you just think about turning the headlights on.

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