If you have done every thing correct
Then may be one off the 3 relays is not working it is bad system.
But the military had many replacement parts we do not
I have Military and Radio Surplus.
MVPA Life Member 683
1943 GPW 98356, 1964 M151, and trailers, plus many Radio's 916-761-5293
Seabee Navy 1982-1988
NRA life Member, KE6EMX
Sold M35A2, M38, M38A1, M880 M37B1 all restored by me