WTS System Woes

[Archive]

Thought that I would treat the Lil Mack to an engine cleaning just last weekend. . Now I opened a can of worms in the Wait to Start system.
This has happened in the past, but I have found the leak areas and a little WD-40 later, no probs. Not so this time.
Basically I get water in the connectors near the back of the engine and it trips the Water in fuel light. Well this time it did the same but now will want to have the WTS system to hit the pre-heater before I start it hot. The last syptom was this morning the WTS light flashed steadily for a good 15 min. #ad

Right now I am resistance testing the harness from the sensors all the way to the connector on the Drivers fender to see if maybe a wire wore through. This problem does go away when I unplug it at the fender connection, so the resistance testing should find it.
I need some suggestions for anything I may have missed guys. I do not have a service manual. #ad

Thanks in advance to all.

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Jason's Lil' Mack - 89 D250LE 2WD 5Spd 3. 55 Reg Cab. K&N,"tweaked pump", 3. 5" Exst straight,E&M Custom seats. Bosch H4, PIAA 80W/80W HdLites. Bosch 100W Driving. Bosch 55W Fogs.
215,000 miles (350,000 Kms)

 

[Archive]

I must have insulted some of you along the way!!! #ad
#ad
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Anyhow, found that the problem was moisture at all connections, the rubber boot inside the plug had hardened. Some contact cleaner and an air hose to all connections seems to have corrected the problem. The key was to disconnect the battery for about 5 min to reset the computer with all the sensors hooked up. This reset put everything back to normal.

Thanks to those who emailed me directly.


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Jason's Lil' Mack - 89 D250LE 2WD 5Spd 3. 55 Reg Cab. K&N,"tweaked pump", 3. 5" Exst straight,E&M Custom seats. Bosch H4, PIAA 80W/80W HdLites. Bosch 100W Driving. Bosch 55W Fogs.
215,000 miles (350,000 Kms)