Looking for a pair of fuel sender units. One not working and the other has the tabs broken off.....

Hello all So ive just bought my first @t and the senders for the reserve lights on the tank are bust.....does anybody have some working ones that wont set me back the earth? thanks mark

Both of my fule level lights were not working, although the test on switching on showed the bulbs themselves are OK. I got a New sender and a second hand sender and have replaced these. I also tried shorting the contacts on the plug by the tank. The RED light works OK, but the amber doesnt...