Hello, To introduce myself, I'm Olivier, French, owner of a 1990 CAT446B in Palawan, Philippines and I need your help to let me solve my transmission problem: Each time I try to go in reverse the fuse blow up, forward is working perfectly! I have checked the wiring at the back of the panel, no problem. Oil and filter are new. Thanks in advance for your help. Olivier
Unplug the reverse coil and see if it still blows the fuse. If it does, you have a wiring short in that wire circuit. If the fuse doesn't blow, you have a shorted coil.
Hello, Thank you for your answer, the reverse coil is the number 5 on the attached file?