ok so here we go i just put my h22 in and the speedo not working rpm is but not the speedo , so im a tech for litha toyota so i pull up the wiring diagram ON ALLDATA WHICH IS LIKE A BIBLE TO US, the wiring on my car is not the same as the diagram? they say theres are a orn- which is suppost to be vehical speed output/ then yel-12volt/ blk ground? my harness which is f22 harness is yel with white/ grn with white/wht with black? WTF so i call honda and talk to a tech he said come on down and look at the wiring book for that car so i did still the same as on alldata and chilton and every ether book know to man! so my Q is why r they diff. than my car, i even took the dash out and check harness behide the speedo which should be ORN? nope blue with red strip!!!! im pisssed i know which on is my 5 volt to ecu check with voltmeter but no 12 volt or ground so i made my own 12 volt/ and ground still nothing? i just order up the sensor be here in like 4 days ? when i check the old sensor it did not pluse . thats why im odering a new one ? MY BIG Q IS WHY R MY COLORS DIFF FROM ALL THE BOOKS AND ALLDATA??????? 
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