These ECGs are in my opinion the best nACG what you can get and the Terra provider costs that to a top price in contrast to the 3 times to 4 times! Easily obtain electrical assembly diagram on the ECG and Fact Sheet to! However, here is really clean to work because the ballast during ignition to work with at least 4.5kV! Use by the TOE to the lighted lamp unbedibgt ignition cable as other cable or Normal not last long! Would I buy it again!