Edit post

Edit your reply below.

Post Body
Enter your post below.
[quote]QUOTE: Originally posted by Randy Stahl This is a general pinout on EMD locomotives, some RRs have added trainline ground reset, slowspeed control,etc. Pin#1 not normally used, some RRs are using this for slow speed control. Pin#2 train line alarm, rings the bell in all the units. Pin#3 governer D valve, for trainline shut down and engine rpm Pin#4 control negative Pin#5 emergency sanding Pin#6 generator field Pin#7 governer C valve, engine rpm Pin#8 foreward, pin out pin 9 on the front pin 8 on the rear Pin#9 reverse. pin out pin 8 on the front pin 9 on the rear Pin#10 train line wheel slip light Pin#11 not used,, Pin#12 governer B valve Pin # 13 control positive Pin #14 not used Pin#15 governer A valve Pin#16 engine run relay Pin#17 dynamic brake setup,( if equipped ) Pin#18 not used Pin#19 not used Pin#20 trainline brake warning light Pin#21 dynamic brake setup controls rpm in dynamics Pin#22 compressor syncronisation(if equipped) Pin#23 trainline manuel sand Pin#24 dynamic brake train line potential, 0-72 volt Pin#25 MU headlights Pin#26 some times used for mu ground relay reset Pin#27 not used most of these pins are allocated by the AAR but the ones that are not can and are used for many different things, for example the Santa Fe used the pin 19 as an extra control negative, the Milwaukee road used it for a positive to ring the locomotive bells, guess what happens when you MU them? Randy [/quote] i got a question about this. . . on the older first gen's ( gp9s come to mind ) above the round MU box. . is a square one. . whats this for? i was told somthing with the dynamics but? can you clear this up ?
Tags (Optional)
Tags are keywords that get attached to your post. They are used to categorize your submission and make it easier to search for. To add tags to your post type a tag into the box below and click the "Add Tag" button.
Add Tag