Thanks, for your reply Dick. So why am I getting the pulsating voltage on that blue wire with the instrument cluster and voltage limiter out of the car sitting on the floor of the garage? I love electrical problems! Tim Durrer --- Dick Benjamin <dickb@xxxxxxxxx> wrote: > The pulsating voltage is correct, that is the way > the voltage "limiter" > works. Its job is to produce approximately 5 volts > (average) to operate the > gauges, so it puts out 12 volts for about 42% of the > time, and 0 volts for > 58% of the time, that is what makes your meter or > test light show a variable > voltage. Since the gauge display units are heat > operated, they don't react > quickly enough to be bothered by the pulsating > voltage. > > The situation you describe is what it should be, > except that when you put > the dash back in, something connected to the > pulsating voltage wire is > coming in contact with bare metal, somehow. > > Dick Benjamin > > -----Original Message----- > From: mailing-list-owner@xxxxxxxxxxxxxxxx > [mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On > Behalf Of Tim Durrer > Sent: Thursday, August 17, 2006 5:08 PM > To: mailing-list@xxxxxxxxxxxxxxxx > Subject: Re: IML: voltage limiter question > > Hello all, I am also having gauge problems on my 73. > I > have read all the information on the website, > studied > the FSM and have concluded I also have a faulty > voltage limiter. My problem started when the fuel > gauge moved past full and the fuse protecting the > gauge circuit blew. Upon replacing the fuse, it blew > again in a matter of seconds followed by a small > puff > of smoke out of the top of the dash. I have pulled > the > instrument panel completely out of the car and I am > awaiting the delivery of the part. > > My question: The blue wire that was attached to the > back of the fuel gauge according to the FSM wiring > diagram goes back to the fuel tank sending unit > which > is grounded. Why does my test light come on and the > light pulsate on this wire when I turn on the > ignition > switch? In reading the wiring diagram, current > should > flow from the limiter, through the gauge to this > blue > wire, to the sending unit and then to ground. If I > am > reading this right why am I getting voltage on this > wire if the dash is completely out of the car? Could > I > have a short somewhere else? Incidentally, the fuse > now holds with instrument panel out of the car. > > Help! > > Tim Durer > 73 Lebaron > > --- stephen dilley <stephendilley@xxxxxxx> wrote: > > > > > hi, i am back from a hot rod weekend here in in > the > > uk, whilst having > > problems with failed gauges and high reading oil > > pressure- now smoke came a > > wafting out of the indicator stalk hole on my 60 > > crown. ??? still works > > mind. the car is a star and wish to keep it so ... > > am using it for a wedding on saturday just hope > she > > dont go up in flames !!! > > how do you get to the cluster??? for limiter? > should > > i just fit some remote > > modern gauges and leave well alone ? back to the > > indicator smoke , wots all > > that about? also i have a power drain somewhere > > which leaves a low glow on > > the handbrake on light. unable to locate source, > so > > av bin removing battery > > lead to prevent flat. > > > > > > best wishes, steve. > > > > > > > > > > > > >From: randalpark@xxxxxxx > > >Reply-To: mailing-list@xxxxxxxxxxxxxxxx > > >To: mailing-list@xxxxxxxxxxxxxxxx > > >Subject: Re: IML: Stupid mistake NOW voltage > > limiter question > > >Date: Thu, 10 Aug 2006 12:23:34 -0400 > > > > > >My experience on the voltage limiter has been > > solely on the 1960 through > > >1963 models. I am not aware of the need for it in > > others being as great as > > >in this group of Imperials. On 1960 through 1963, > > it is SUPER easy, and > > >must be done to have working gauges. > > > > > >The limiter is attached to the back of the > cluster. > > The attachment point > > >acts as a ground. The power input is connected to > > it, instead of the gauge > > >with the limiter in it, the output is routed to > the > > first gauge with a > > >jumper from the new limiter, and then to the > > remaining gauges with the > > >existing wiring. > > > > > >I suspect that it is similar to install in other > > years, but the other years > > >may have an external limiter to start with that > is > > replaceable. I just > > >don't know. I haven't had reason to do it. > Outside > > of 1960 through 1963, > > >the gauges in my Imperials have worked fine and > not > > changed their function > > >in any way over time or with mileage. 1960 > through > > 1963 have ALL required > > >replacement of the limiter. This is a chronic > > problem for those cars. The > > >problem has ceased to exist in the 1960-63 models > > that I have installed the > > >external limiter. > > > > > >There is extensive discussion about this in the > OIC > > site. > > > > > >Paul W. > > > > > > > > >-----Original Message----- > > >From: mann340s@xxxxxxxxxxxxx > > >To: mailing-list@xxxxxxxxxxxxxxxx > > >Sent: Thu, 10 Aug 2006 6:49 AM > > >Subject: IML: Stupid mistake NOW voltage limiter > > question > > > > > > > > >Paul, > > > > > >You mentioned the external voltage limiter in > your > > reply. I have made > > >simple electronic limiters for some of my 67 > > A-bodies, but haven't > > >replaced/rerouted to bypass a faulty internal > > limiter. Is this discussed > > >somewhere in our website, or is it simple enough > to > > describe again in > > >email? I'll need to do this to at least three > cars > > if I ever get that far. > > > > > >Thanks, > > > > > >Michael > > >65 Crown (two, neither salvageable) > > >67 Crown Coupe project > > >68 Crown > > > >________________________________________________________________________ > > >Check out AOL.com today. Breaking news, video > > search, pictures, email and > > >IM. All on demand. Always Free. > > > > > > > > > > ----------------- http://www.imperialclub.com > > ----------------- > > This message was sent to you by the Imperial > Mailing > > List. Please > > reply to mailing-list@xxxxxxxxxxxxxxxx and your > > response will be > === message truncated === __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! 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