Auto eletrician i need your help! :( vs fuse blowing :(

[vylover]

hello as you can see by my previous post's my brother has a vs manual ute and after trying to fix his problem with the 20AMP engine fuse blowing, he has replaced everything !! and the last thing he did was replace a oil pressure switch and it worked for a while, he thought he fixed it so he went to go get tires to make it road worthy and it started went fine to the tire place, and they went to turn it on to take it back home but the same thing AGAIN the 20AMP engine fuse blew and keeps blowing. anyone that knows what it could be that would be great

 

[Brett_jjj]

If fitting a new oil pressure switch fixed it temporarily, then id be inclinded to carefully inspect the plug and wiring that goes to the oil pressure switch for shorting out etc, as moving the wiring/connector about when the new oil pressure switch was fitted may have temporarily broken the short circuit.

 

[vylover]

thank you, all fixed now, you were correct but it took a auto electrician to fix it $200 later but all fixed