Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

BIG problems hooking up gauges

Old Dec 27, 2000 | 10:09 PM
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EROCK's Avatar
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From: Mingo Junction, Ohio
BIG problems hooking up gauges

Hi Guys. I got some auto meter gauges for christmas this year for the a-pilar pod. I received the gauge for oil pressure and for water temp. (they are electrical gauges.) I was wondering if I have to use the sending units that came with them or if I can just splice into the ones that are there. I want the ones in the dash to work too. If I need to use the sending units that they gave me, how on earth do I hook them up? Do I have to drill into the manifolds and heads and so forth? If anyone has these gauges and everything works, can you please help me and tell me how you hooked them up? Thanks very much for your help. It will be greatly appreciated.

Eric

------------------
Teal 1991 Camaro R.S., T-Tops,
Leather, Re-worked 700r4 also w/kit,
MSD ignition, MSD 8.5 mm. superconductor wires,
MSD Coil, ADS superchip, Open element air cleaner,
K-n-N filter, Gutted cat, Flowmaster cat-back system,
Edelbrock TES headers, March 3piece billet underdrive pulleys
3.73 gears
http://www.geocities.com/gitarz2/camaro.html
I was shocked to see that companies sold a taillight
set for a rustang! Since when do they have taillights????
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Old Dec 28, 2000 | 01:43 AM
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You have to use the autometer sending units. My friend has a mustang and he put a coolant temp gauge in his car and now the factory one doesn't work anymore.
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Old Dec 28, 2000 | 12:17 PM
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From: Tucson, AZ, USA
Car: '92 Z28; Dk Teal; Her Pkg
Engine: 305
Transmission: Richmond 6 Spd
Axle/Gears: Moser 9", Detroit Locker, 3.70
The oil pressure sender may be connected to the 1/8" NPT hole in the block, behind the intake manifold - it's plugged from the factory, or the sender may be teed in with the factory oil pressure sender / fuel pump oil pressure switch, which is near the oil filter - it's either a 1/4" or 3/8" NPT fitting.

The temperature sender may be threaded into the 3/8" NPT fitting in the passenger side cylinder head, between cyls 6 & 8, or it may be teed in with the ECM coolant temperature sender on the intake manifold - there may be a plugged coolant port on the intake manifold that may be used, as well.

Tim
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Old Dec 28, 2000 | 10:54 PM
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From: Mingo Junction, Ohio
Mr. Burgess,

The factory connections that I can use, are they single wire or 2? If they are 2 which one do I tee into? Thanks for the info. I was hoping that I could tee into those.

Eric
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Old Dec 28, 2000 | 10:55 PM
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I am pretty sure that the water temp sensor on the manifold is 2 wires that is why I am wondering. Thanks
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Old Dec 29, 2000 | 10:52 PM
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Anyone?

btw I just got done wiring up my tach. Listen to this. I wired it all up and ran it to the tach output on the MSD 6a. When I started the car the needle went BACKWARDS and stayed at 8 grand (it is an 8 grand tach) I called the auto meter tech line and they told me it was faulty. I called summit tech line (where I bought it) and they said that I need a tach adapter for hte auto meter "auto guage"model for it to work properly. Why didn't they tell me that when I asked before I bought it? Idiots. Now I have the car all torn apart and will have to wait as now I cannot afford the harness. I wish that I knew what and where it was hooked up to. I could just run it myself.

Eric
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Old Jan 5, 2001 | 01:17 PM
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From: Tucson, AZ, USA
Car: '92 Z28; Dk Teal; Her Pkg
Engine: 305
Transmission: Richmond 6 Spd
Axle/Gears: Moser 9", Detroit Locker, 3.70
By "teeing" I meant with pipe - tee the Autometer sender in with the factory sender so that both senders are connected to oil pressure & water temperature, respectively. You cannot use a factory sender to drive an Autometer gauge, to my knowledge. Sorry for the confusion.

Tim
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Old Jan 5, 2001 | 10:38 PM
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Mr. Burgess,

I figured it out finaly. I am also sorry that I mis understood you. But it works now and that is all that matters. By the way anyone here running a sport comp tach with an msd box? If so, can I run it into the tach output without using a tach addapter like the auto gauge line of tachs? Thanks.

Eric
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