davedog Posted September 12, 2004 Report Share Posted September 12, 2004 As you may remember from past posts, over the last few weeks I have had my amber ABS light on the dash interminantly coming on and going off while I drive my caddy. It's very interminant, and can go days without coming on, when it does come on, it never satys on for more than a minute, then goes back off. The weird thing is when it happends to come on WHILE i'm breaking I can feel the ABS kicking in (Pulsating feeling in break petal). I checked for codes, there are none. Here's the breakthrough I have discovered though: I have, in my trunk, 2 "10 subwoofers in a sealed box, driven my a 400 watt audiobahn amp. When I installed this addition to my audio system I also installed a kill switch under my dash, so I could just listen to the regular 4 speakers inside my caddy if I so desired. When the ABS light does deside to flicker it ONLY happens when my amp is ON. It also only happend when the volume is turned up past a certain level, but it is still very intermittant. I drove around for about three days straight, absolutly blasting my subs with songs with the most bass I could find and no ABS light, then all of the sudden, it starts back up again. When it is on the light sometimes pulses with the music. now keep in mind i'd had this audio system in place for about 2 months before this started happeneing. I've done some research in my eldorado manual and it said is the computer for the ABS sensed low voltage the light would come on until the voltage comes back up....but why would this cause the ABS brakes to actually engange, and why would it only happen sometimes??? So I'm thinking it's either low voltage caused by the draw of my amp, or something is wiggling loose due to the vibrations from the sound. Someone also suggested the vibrations could trick a sensor into engaging the ABS. It's so confusing though, cause it only happens sometimes. But at least I know this, it NEVER NEVER happens without my amp on. what do ya'll think! -dave Crystal Red Tintcoat Exterior | Shale/Brownstone Interior | 32k Link to comment Share on other sites More sharing options...
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