Windshield Washer sprayer works for short time and then Nothing

1998 tacoma 4x4 SR5
Windshield Washer sprayer works for short time and then Nothing.
Replaced end pigtail that attaches to the pump new, new washer pump
all symptoms continue
Check the system unplug the pig tail near washer tank pump then
the pump and system work for a short period of time like a week or what ever and
then nothing until i go and message it again.
Unplug short pigtail to windshield washer spray pump and check over work short period then dead again.

Any help
Thanks

 

Have you checked the fuse? I've been told there's also a relay but haven't found where it is yet.

I have the opposite problem, the sprayer runs continuously til I unplug the pump at the washer bottle

 

Which fuse and location ? Because the fuse i have checked is for the windshield wipers and that's not the issue.
under hood or interior cab for fuse location ?
I replaced the very end short pigtail near the washer pump because i felt there was an internal relay that
may have been faulty. Thoughts?

 

What brand pump ??

Have you checked the voltage at the pump??

Sounds like you have a poor connection how did you make your splices ?

Might be a broken wire that opens at random

Since it works when you move things around again gotta be a connection or a broken wire that opens at random

 

trico pump new, last pigtail new toyota part connects harness to pump final leg.
replaced and cleared out nozzles hoses tending to agree allot of analysis and tracing i guess

 

When the pump quits, disconnect it and throw your leads from your DMM in there and make sure it's getting 12VDC. If you have voltage but not spraying, pump is failing. If you're dropping voltage and that's why pump is quitting, time to check wiring, etc. Is there a relay for the windshield fluid sprayer motor?

 

My 2000 EWD shows no relay

I say since it works after shaking and wiggling the wires it has to be near the pump