cwirth Posted October 5, 2007 Report Share Posted October 5, 2007 I recently purchased the D3 to install it in my Toyota Matrix. I also bought the Metra harness. The D3 harness has an orange wire marked 'Ill' for illumination. The Metra harness has an orange/black wire marked as 'dimmer'. There is no illumination wire on the Metra harness. Am I to assume that the D3 illumination wire gets connected to the Metra dimmer wire? Quote Link to post Share on other sites
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