I have a samurai I bought new in 2000, assembled in Spain. The wiring to the warning light panel got screwed up when installing a radio. The blue hi beams light stays always lit even when the key is off & it empties the battery in a couple days. Is there an easy way to access the rear of this panel ? With my head on the pedals lying on my back it is impossible to get my hand on the plug pins or to determine the color of the wiring to the blue light.