Instrument Cluster Voltage Regulator???
Instrument Cluster Voltage Regulator???
New User
Joined: Apr 2002
Posts: 2
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Instrument Cluster Voltage Regulator???
I'm working on a 1987 F-250. Been having problems with low/irratic guages. Did some checks and decided to get a new IVR. Pulled out the instrument cluster and there is no sign of a IVR or a place to put one! Looked at a few manuals and wiring diagrams and they show an IVR. Does anybody know of a different location? Does this truck have a different system? This truck has a 460 with a carb and so far it seems to be a mix and match of the '87 and the '88 with fuel injection and diagrams not always jiving.
Any help appreciated.
Tim
Any help appreciated.
Tim
Postmaster
Joined: Jul 1999
Posts: 3,172
Likes: 4
Instrument Cluster Voltage Regulator???
Once you remove the instrument panel , It should be located on the lower left section of the panel , Its about 2 in long & and inch or so wide , it will have 2 , small screws holding it to the circuit board . Make sure its the cause of the problems , that little device is $75 .
New User
Joined: Apr 2002
Posts: 17
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From: Concord USA
Instrument Cluster Voltage Regulator???
I have an 88 460 and my oil pressure gauge reads low. When I rock my fuel transfer switch back and forth the oil pressure increases. Could this be caused by the regulator also?
New User
Joined: Apr 2002
Posts: 2
Likes: 0
Instrument Cluster Voltage Regulator???
>Once you remove the instrument panel , It should be located
>on the lower left section of the panel , Its about 2 in long
>& and inch or so wide , it will have 2 , small screws
>holding it to the circuit board . Make sure its the cause of
>the problems , that little device is $75 .
Thanks for the reply, but here's the problem. I've had the cluster off and it's just not there! No place for it either. I've replaced a couple of IVR's on earlier model cars and trucks so I know what they look like. I did my diagnoses by connecting a 12 volt test light between the oil ppressure pigtail and a ground, and got a dim steady light. A good IVR should show a pulsing light. By the way, this has a "real" oil pressure sending unit.
I did some research and found that there is a IVR listed for this truck and can pick one up at NAPA for $25.00.
Tim
>on the lower left section of the panel , Its about 2 in long
>& and inch or so wide , it will have 2 , small screws
>holding it to the circuit board . Make sure its the cause of
>the problems , that little device is $75 .
Thanks for the reply, but here's the problem. I've had the cluster off and it's just not there! No place for it either. I've replaced a couple of IVR's on earlier model cars and trucks so I know what they look like. I did my diagnoses by connecting a 12 volt test light between the oil ppressure pigtail and a ground, and got a dim steady light. A good IVR should show a pulsing light. By the way, this has a "real" oil pressure sending unit.
I did some research and found that there is a IVR listed for this truck and can pick one up at NAPA for $25.00.
Tim
Freshman User
Joined: Jan 2002
Posts: 43
Likes: 0
From: Bristol
Instrument Cluster Voltage Regulator???
I have a problem with the oil pressure gauge also, except mine is reading way high. The truck (1990 F150 4X4 302 auto) originaly had no tach, so I purchased a instrument cluster with a tach out of a (1988 F250 460). The gauge read correct on the original cluster. Could the regulator be the problem because I really do not want to spend $125 on new oil and gas gauge. THANKS
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