Patrol GQ tacho

Submitted: Thursday, Jan 27, 2005 at 21:21
ThreadID: 19838 Views:1881 Replies:3 FollowUps:0
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Hi guys i have just bought a Patrol GQ ute 95. Its tops i love it. I was looking around for a landcruiser for ages and all the cruisers around the $14000 were 88 models with a million ks on the clock. So when a 95 model Patrol came up with 260000ks it was a very simple choice. Only little problem I have is that my tacho does not work. Now I think the sensor is on the front of the engine just underneath and to the right of the therostat assemby, but can someone please confirm this for me? If I do have the right sensor is there any way for me to test it at all? Is it possible to hook up a multimeter set on AC start the engine and see any frequency? I bought a Gregorys manual for it but the wiring diagrams aren't that flash so any help from anyone whould be great thanks!
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Reply By: Brew69(SA) - Thursday, Jan 27, 2005 at 21:29

Thursday, Jan 27, 2005 at 21:29
petrol/diesel?
AnswerID: 95242

Reply By: Splitpin - Thursday, Jan 27, 2005 at 23:06

Thursday, Jan 27, 2005 at 23:06
Ah yeah sorry about that its a 4.2 diesel.
AnswerID: 95283

Reply By: joc45 - Friday, Jan 28, 2005 at 01:53

Friday, Jan 28, 2005 at 01:53
Yup, that's the tacho pickup. It's a coil, so multimeter check on the pickup should show a few ohms resistance. And running the motor should give a small AC voltage at the coil.
The tacho meter is both connected and held in place to the motherboard by (I recall) two screws, so if one of them is loose, that could also be a problem.
Check the connector at the pickup coil for a good connection.
Got the proper manual, could email the relevant info if needed.
Gerry
gerron at tpg dot com dot au
AnswerID: 95299

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