Bad ground someplace? Possibly at the dash or even out at one of the lights??
On Sun, Feb 21, 2010 at 11:28 AM, <rml...@comcast.net> wrote: > Well I got my dash back together with new temp and fuel guages and > everything is working, and it looks great. Now when I turn on my lights, my > turn signal lights in the dash light up. When I turn on my turnsignals they > blink, they are working, However I'am pretty sure the the dash bulbs should > not light up whith the rest of the dash lights. Any body have an idea on > what might be the cause. Thanks, Bob > ----- Original Message ----- > From: rml...@comcast.net > To: "The Chevelle Mailing List" <chevelle-list@chevelles.net> > Sent: Monday, February 8, 2010 3:49:24 PM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > I have voltage at my guages, and I have voltage on the lines to my > sending units ie. temp. and fuel. I disconnected the plug in the trunk and > checked for voltage which tested ok. However when I unplugged it my guage > didn't respond by going to full. Iam thinking maby I need new guages. I did > the same with the temp. I checked for voltage by disconnecting the line at > the temp. sending unit and got a voltage reading. However, the guage didn't > respond to being disconnected or grounded. Do yall think maby I need new > guages.Thanks to you all for all your help. > > > ----- Original Message ----- > From: 327mal...@gmail.com > To: "The Chevelle Mailing List" <chevelle-list@chevelles.net> > Sent: Sunday, February 7, 2010 10:37:50 AM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > > I don't know if this will help you but give it a look. > *The Chevelle Engineer* > http://chevelleengineer.home.comcast.net/~chevelleengineer/fuelgage.htm > > > ----- Original Message ----- > *From:* rml...@comcast.net > *To:* The Chevelle Mailing List <chevelle-list@chevelles.net> > *Sent:* Tuesday, February 02, 2010 7:53 PM > *Subject:* Re: [Chevelle-list] wiring question > > Jim I appriciate your help. It seems to me Iam being told 2 different > things here. Leo say's there should be no power at pins 10 and 11 and it > sounds to me like your telling me there should be power at those pins. I > dont understand the principles of operation here. I dont understand how they > work.I hope someone here can explain to me exactly how it works. Does 12 > volts go through the guage and the sending units add resistance to ground. > Thanks every body for your help here. I just wanna get my guages working. > ----- Original Message ----- > From: "Jim Thompson" jimthompso...@gmail.com > To: "The Chevelle Mailing List" <chevelle-list@chevelles.net> > Sent: Tuesday, February 2, 2010 7:10:29 PM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > I will suggest again that ground is critical. Your fuel sending unit > should have its own ground wire. The temp sending unit is hot, internally > the switch closes to ground. With the key to “on” both should be hot. Your > fuse box should have one fuse marked “gauges” if it is hot on both sides. > Then it is a ground issue or short in the gauge harness. > > > > *From:* chevelle-list-boun...@chevelles.net [mailto: > chevelle-list-boun...@chevelles.net] *On Behalf Of *rml...@comcast.net > *Sent:* Tuesday, February 02, 2010 4:25 PM > *To:* The Chevelle Mailing List > *Subject:* Re: [Chevelle-list] wiring question > > > > Does anyone know where the voltage for the fuel and temp. guages is fed > from. I have voltage to everything except these two guages. I unplugged the > 12 pin connector that plugs into the pcb and checked for voltage there. > everything is hot with the exception of temp and fuel. all my fuses are > good. Any ideas.Thanks, Bob > ----- Original Message ----- > From: dhoesc...@granitecityperformance.com > To: "The Chevelle Mailing List" <chevelle-list@chevelles.net> > Sent: Monday, February 1, 2010 10:03:58 PM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > I would suggest disconnecting the tan fuel sender feed wire at the fuel > tank. Turn the key to RUN position and wait a few moments (some gauges are > slow) with the tan wire disconnected the fuel gauge should read past full. > Then ground the tan wire anywhere to the body and the gauge should read > empty. If you get no response then you have a bad gauge or a wiring problem. > > -----Original Message----- > From: "Tom Rightler" <bluess...@comcast.net> > Sent: Monday, February 1, 2010 20:47 > To: "'The Chevelle Mailing List'" <chevelle-list@chevelles.net> > Subject: Re: [Chevelle-list] wiring question > > If you want to check the gauges, send 12 volts directly to them and see if > the needle moves. If the needle moves, the gauges is good and there are > wiring issues elsewhere. I’ve seen brand new sending units fail. There > should be 12 volts at the bulkhead connector with the key in the run > position for all wiring to the gauges. > > > > Tom > > > > -----Original Message----- > *From:* chevelle-list-boun...@chevelles.net [mailto: > chevelle-list-boun...@chevelles.net] *On Behalf Of *rml...@comcast.net > *Sent:* Monday, February 01, 2010 9:01 PM > *To:* The Chevelle Mailing List > *Subject:* Re: [Chevelle-list] wiring question > > > > The sending. unit is grounded to the body, and the temp sending unit is > new. Tom,do you know if there would or should be voltage at the 12 point > connection into the pcb. for the temp and fuel guages > ----- Original Message ----- > From: "Tom Rightler" <bluess...@comcast.net> > To: "The Chevelle Mailing List" <chevelle-list@chevelles.net> > Sent: Monday, February 1, 2010 8:53:30 PM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > Is the fuel sending unit grounded to the body? If the temp gauge isn’t > working, it’s usually a problem with the sending unit screwed into the head. > > > > Tom Rightler > > MCC Newsletter Editor > > http://www.chevelles.net/mcc > > > > -----Original Message----- > *From:* chevelle-list-boun...@chevelles.net [mailto: > chevelle-list-boun...@chevelles.net] *On Behalf Of *rml...@comcast.net > *Sent:* Monday, February 01, 2010 8:32 PM > *To:* The Chevelle Mailing List > *Subject:* Re: [Chevelle-list] wiring question > > > > I'am a firm beliver that there is no such thing as a dumb question. My dash > lights are working fine. the dimmer switch is working I just dont have a > temp. guage or a fuel guage. > ----- Original Message ----- > From: dhoesc...@granitecityperformance.com > To: "The Chevelle Mailing List" <chevelle-list@chevelles.net> > Sent: Monday, February 1, 2010 8:25:13 PM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > Forgive me if it's a dumb question...did you try rotating the knob? I > don't know if 1970 had the "dimmer" built into the headlight switch perhaps > it's turned down to the lowest setting or the rheostat is burnt out? > > Second, did you check for power at the fuse? > > -----Original Message----- > From: rml...@comcast.net > Sent: Monday, February 1, 2010 19:08 > To: "The Chevelle Mailing List" <chevelle-list@chevelles.net> > Subject: Re: [Chevelle-list] wiring question > > Yes I do have a schematic. I have a 70 ss with guages. Iam just not sure > why the guages are not working. > ----- Original Message ----- > From: dhoesc...@granitecityperformance.com > To: "The Chevelle Mailing List" <chevelle-list@chevelles.net> > Sent: Monday, February 1, 2010 7:27:55 PM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > Do you have a wiring schematic -or- would it help if you had one? What > year Chevelle do you have? > > -----Original Message----- > From: rml...@comcast.net > Sent: Monday, February 1, 2010 17:02 > To: dansolo...@msn.com, "The Chevelle Mailing List" < > chevelle-list@chevelles.net> > Subject: Re: [Chevelle-list] wiring question > > Dan, The guages are not new nor is the engine harness or the dash harness. > And no the guages did not work before. I was hoping that putting a new pcb. > in would get them working. All the wiring is still original to the car. I > did put voltage to the gas guage when I had it on the bench and was able to > get movement. I used a 9 volt battery and the guage moved to around 1/2 > tank. I then reversed the polarity and the guage went back to E. So with > that said I kinda assumed the guages were o k. I really appriciate your > efforts, Keep pitching maby eventually I'll get a hit. Thanks Bob > ----- Original Message ----- > From: "Dan Solomon" <dansolo...@msn.com> > To: "Chevelle List" <chevelle-list@chevelles.net> > Sent: Monday, February 1, 2010 5:34:52 PM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > Are the gauges new? How about the dash harness and the engine harness? Did > the gauges work before you made your changes? The reason I ask is that the > pins are in different locations at the firewall. If one harness is from a 70 > and one from a 71-72 that may cause your problem. > > Thanks, Dan > -------------------------- > Sent using BlackBerry > ------------------------------ > > *From: *rml...@comcast.net > > *Date: *Mon, 1 Feb 2010 21:54:45 +0000 (UTC) > > *To: *<dansolo...@msn.com>; The Chevelle Mailing List< > chevelle-list@chevelles.net> > > *Subject: *Re: [Chevelle-list] wiring question > > > > Dan, I did ground the cluster with one of the screws that attach the metal > to the plastic housing. And all my lights are working, dash lights, head > lights, but none of my guages are working. Fuel, temp, or amp. All of my > fuses are good. Any ideas. Thanks Bob > ----- Original Message ----- > From: "Dan Solomon" <dansolo...@msn.com> > To: "Chevelle List" <chevelle-list@chevelles.net> > Sent: Monday, February 1, 2010 4:41:31 PM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > Bob, > > I don't remember if all of the wires in the connector are hot but you do > need ground to the cluster. Use one of the screws that attach the metal > cover to the plastic housing. Don't use the ones that attach the PCB. > When you say your lights are working do you mean dash lights or headlights? > > Thanks, Dan > -------------------------- > Sent using BlackBerry > ------------------------------ > > *From: *rml...@comcast.net > > *Date: *Mon, 1 Feb 2010 20:56:09 +0000 (UTC) > > *To: *The Chevelle Mailing List<chevelle-list@chevelles.net> > > *Subject: *Re: [Chevelle-list] wiring question > > > > Thanks, Dan. Should I have a voltage at each pin on the 12 pin > connector.ie.the fuel, temp, and amp. My lights are working, I didn't put a > ground on the guage cluster itself. can that go on any screw on the back of > the cluster. All the screws on the back go through the pcb. > ----- Original Message ----- > From: "Dan Solomon" <dansolo...@msn.com> > To: "The Chevelle Mailing List" <chevelle-list@chevelles.net> > Sent: Monday, February 1, 2010 10:04:44 AM GMT -05:00 US/Canada Eastern > Subject: Re: [Chevelle-list] wiring question > > I had a hell of a time with the dash in my 70. Must have pulled it out and > put it back in 6 times. Make sure that you have the three black ground wires > hooked up. One goes to a screw on the cluster, one to the metal frame of the > dash carrier and one to the e-brake. Also did you put the ground strap back > in under the light switch? > > My problem turned out to be the headlight switch. Power to the cluster > passes through this switch. One of the spades slipped out aside the > connector and was not making contact. Here is the topic on chevelles.com. > It has some great pics and information to diagnose the headlight switch. It > also includes information on the 12 pin connector and tests to verify > voltage at the fusebox. > http://www.chevelles.com/forums/showthread.php?t=260728&highlight=hot+wires+SS+dash > > > Dan > "It is a mistake to allow any mechanical object to realize you are in a > hurry." > http://www.freewebs.com/chevelles1970/ > > > > > > > ------------------------------ > > Date: Mon, 1 Feb 2010 10:06:28 +0000 > From: rml...@comcast.net > To: Chevelle-list@chevelles.net > Subject: [Chevelle-list] wiring question > > I set my restored dash in place and connected the wires, turned the key to > acess. and my temp. fuel, and amp guages did nothing. Should there be a > voltage at the 12 point plug for each of these three guages. My dash lights > work. Turn signals work. brake lights. All the lights are working. Iam > stumped. Any ideas,Thanks. Frustrated. > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.733 / Virus Database: 271.1.1/2662 - Release Date: 02/01/10 > 07:37:00 > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.733 / Virus Database: 271.1.1/2662 - Release Date: 02/01/10 > 07:37:00 > > -- Rick Schaefer 72 TPI El Camino