flanker271 Posted September 8, 2004 Share Posted September 8, 2004 Hello, I just had my alternator replaced with a new (not remanufactured) Toyota Tundra 100 amp alternator 1 week ago, and the battery was replaced also with a True Start battery. The Toyota technicians made sure that everything was charging properly, and there are no drain on the battery when the car is off. They also cleaned the rust spots on the wires. With that being said, here is the problem: Last night when I got into my LS, I started it up without first closing the driverside door. As soon as I crank the engine, the interior dome light dimmed to very low, then as soon as the engine started the light got back to normal brightness. Similarily, my headlights dims when I start the engine. From what I learned from this forum, the lights shouldn't dim at all right? I was just wondering if my battery is low again. Quote Link to comment Share on other sites More sharing options...
SW03ES Posted September 8, 2004 Share Posted September 8, 2004 Well that depends on how dark it dims. Some dimming is normal as the starter is creating a need that is drawn from other active electrical components. Quote Link to comment Share on other sites More sharing options...
flanker271 Posted September 8, 2004 Author Share Posted September 8, 2004 The headlights' dim was noticably small, but the dome light almost completely went out while cranking the engine. Quote Link to comment Share on other sites More sharing options...
VMF Posted September 8, 2004 Share Posted September 8, 2004 but your car started right away and starter rotated engine with the normal speed? Quote Link to comment Share on other sites More sharing options...
flanker271 Posted September 8, 2004 Author Share Posted September 8, 2004 It started up in 1 second Quote Link to comment Share on other sites More sharing options...
OldSkool Posted September 9, 2004 Share Posted September 9, 2004 A bushing in or on your starter might be worn out a little and binding the starter up slightly therefore creating more draw. Quote Link to comment Share on other sites More sharing options...
VBdenny Posted September 10, 2004 Share Posted September 10, 2004 It doesn't sound abnormal to me. Starters draw a whole lot of current so the lightsare going to dim a little. You usually don't notice it because the light is usally off. Quote Link to comment Share on other sites More sharing options...
SKperformance Posted September 10, 2004 Share Posted September 10, 2004 I agree if the lights dim it is normal but usually caused by a low CCA on a battery or bad wires to the starter and battery. I changed both of mine and WOW what a difference, i start faster and my starter even has a different sound from turnig over faster. Quote Link to comment Share on other sites More sharing options...
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