tach light issue
Hey guys new to corral and need help
Ok so when I bought my 86 it came with a autometer tach and light so recently ive decided to hook it up after I did tach works but as soon as I plug the light to the tach the shift light stays on constantly all the wiring was there from previous owner only thing that I thought was odd was the red wire was hooked up to the wiper motor normally its hooked up to the ignition from what I've read. Could the light be damaged ?
86 GT, 306 ,TFS Heads ,B303 Cam, BBK Headers, BBK CAI, U/L Edelbrock Performer Intake, WC T5