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fuse goes when I engage 4wd ('91 loyale)
Posted 28 November 2003 - 02:53 PM
Any ideas of what to check first?
Posted 28 November 2003 - 03:00 PM
Posted 28 November 2003 - 03:02 PM
the 5spd 4wd is vac operated, which the valve is electrical.
check for any shorted wires in teh center console. there are connectors under the spare tire above the trans, check for bare wire there...
Posted 28 November 2003 - 03:19 PM
The systems I have are controlled by a push/pull vacuum servo.
The two control solenoid valves are located beside the drives side hood hinge. The wires under the spare tire are for the indicator switch only.
I just wrote a trouble shooting article for the USRM. It is possible one of the wires from the shifter under the console have shorted to ground. Easy to check if you start at the two vacuum solenoids and their wiring. See the USRM for details, if it has not been added yet feel free to email me. Hope this helps.
Posted 28 November 2003 - 03:31 PM
SORRY SKIP =P
Posted 28 November 2003 - 04:07 PM
is this going to turn into one of THOSE threads?
i have seen a lot of what you mention lately
would anyone get mad if we said it can be rigged up with a piece of coat hanger, bypassing the electrical altogether?
its all a mechanical function on the working end.
dont let the new guys get a bad impression of the board. this board is really the only place thats worth a shiz for good specific information.
Posted 28 November 2003 - 04:15 PM
Posted 28 November 2003 - 04:39 PM
Posted 28 November 2003 - 04:49 PM
sall the same to the gearhead
Posted 28 November 2003 - 05:06 PM
Posted 28 November 2003 - 05:10 PM
Posted 01 December 2003 - 02:03 PM
One other detail is that before the fuse problem I remember the engage light on the dash working intermittantly a couple times.
If anyone is willing to step me through as to location and how/what to check that would be great. I have a Haynes manual...not enlightening me yet.
I do I check the control solenoid valves?
Posted 01 December 2003 - 02:19 PM
Posted 01 December 2003 - 04:40 PM
Wires all looked good to him.
So I suppose the next step is to locate some solenoids and start swapping them out.
The fuse blowing is no longer immediate, but after 30 seconds or so. Still no indicator light on the dash.
Posted 01 December 2003 - 05:23 PM
You have no indicator light because your 4wd is never engaging.
Sounds like you have a bad solenoid if the fuse is taking a few seconds to blow. A short would take it out instantly.
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