finally have working wipers again, shout out to thundermcawesum for a job well done.
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Start by checking that the wiring is correct - look for warm connectors and wires. They take a lot of current and a bad connection can slow them right down.Good to hear. My wipers need some help. They are running very slowly and the sprayer doesn’t work. Wondering where I start?
I haven’t heard of MARS is a very long time… I was a MARS operator in the early mid ‘80s. A very involved friend Mike,K2CTJ got me started with MARS. I would now think whether or not we may have communicated back then?
I just added a sprayer to mine. The spray is activated by twisting the wiper knob. Pull the knob out of the dash and disconnect it. Clean it up and then test continuity by connecting the spray tab and ground on the body of the switch. Twist and the contact should show infinite continuity. If not clean up the contacts on the outside of the switch. Then check the continuity to the 2 wire connector in the engine bay. Mine is on the drivers side near the firewall. If all is good, plug it all back in and you should hear the sprayer motor run when you twist the knob.Good to hear. My wipers need some help. They are running very slowly and the sprayer doesn’t work. Wondering where I start?
My washer/wiper switch contact surface which is exposed was dirty. I cleaned it up and the pump started working again. Easy fix.I just added a sprayer to mine. The spray is activated by twisting the wiper knob. Pull the knob out of the dash and disconnect it. Clean it up and then test continuity by connecting the spray tab and ground on the body of the switch. Twist and the contact should show infinite continuity. If not clean up the contacts on the outside of the switch. Then check the continuity to the 2 wire connector in the engine bay. Mine is on the drivers side near the firewall. If all is good, plug it all back in and you should hear the sprayer motor run when you twist the knob.
Others here have more experience with the motor and linkage. I got lucky and was able to lube everything in place. For the motor I removed the worm drive cover and carved out the crappy old grease, cleaned up the contacts and added fresh new grease. I ran them for a bit and added a bit more and closed it up.
Excellent Job!Replaced the original water pump on my 1977 FJ40 with an Aisin water pump from @cruiseroutfit. Took the old pump off cleaned the gasket off the block & chased the threads with a 10x1.5 m tap. Took the backing plate off the new pump and sealed it with FIPG then put it back together and then put on the gasket from the pump to block on and covered that in FIPG. Put the new pump on the block and torqued the bolts to 14ft/lb. I followed this Water pump replacement write up as a guide but didn’t fully remove the radiator or lower the front bib just removed the fan shroud instead and it gave me more than enough room. View attachment 3507950
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Happy Holidays everyone!