External temperature gauge broken. How do I repair a broken cable?

After a small crash, my temperature gauge readout is “————“

I suspect I sheared the cable to the gauge rather than smashed the gauge itself.

How can I repair this cable effectively?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0