Step-up resistor for tach - Team Camaro Tech
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post #1 of 9 (permalink) Old Aug 11th, 16, 03:37 PM Thread Starter
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Step-up resistor for tach

What did you guys do exactly when installing the step-up resistor to your signal wire for the tach ?? Did you just solder two wires, one on each end to the resistor ?? Did you wrap the resistor with anything ?? Heat shrink ?? Thx Just looking for ideas here.

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post #2 of 9 (permalink) Old Aug 11th, 16, 05:26 PM
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Re: Step-up resistor for tach

You can get the kit that has the resistor and metric adapters for the gauge senders

It is heat shrink covered.

I've also used my own and just shorten up he wires. Solder in with heat shrink wrap so it doesn't short
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post #3 of 9 (permalink) Old Aug 11th, 16, 05:46 PM
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Re: Step-up resistor for tach

Resistors are probably the most robust electronic component there is and this application is very low power. The correct name is pull-up resistor. You are pulling the line up to the 12 volt rail, hence the name.

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post #4 of 9 (permalink) Old Aug 11th, 16, 06:08 PM Thread Starter
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Re: Step-up resistor for tach

Thanks guys. NVU just sent me the resistor via the mail. The resistor only, no wires attached. I thought they get hot which is why I figured I better ask you guys. I was going to solder two wires to the resistor, one on each end so I could make my connections to the wires.

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post #5 of 9 (permalink) Old Aug 11th, 16, 06:15 PM
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Re: Step-up resistor for tach

Quote:
Originally Posted by DT View Post
Thanks guys. NVU just sent me the resistor via the mail. The resistor only, no wires attached. I thought they get hot which is why I figured I better ask you guys. I was going to solder two wires to the resistor, one on each end so I could make my connections to the wires.
That will work, just cover it with heat shrink as suggested above so it doesn't short out. Is there no leads on the resistor they sent you? If there isn't I would get one with leads. Leadless parts are for surface mounting to circuit boards.

Don

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post #6 of 9 (permalink) Old Aug 11th, 16, 06:19 PM
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Re: Step-up resistor for tach

This is what you want:

4 7K Ohm 1 2 Watt 5 Tol by Koa Resistors 5 Pcs USA Seller Fast Shipping | eBay

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post #7 of 9 (permalink) Old Aug 11th, 16, 07:48 PM
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Re: Step-up resistor for tach

Those will work. 12v switched power to the resistor and then the resistor tapped to the tach sig wire.
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post #8 of 9 (permalink) Old Aug 12th, 16, 12:58 PM Thread Starter
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Re: Step-up resistor for tach

Thank you guys. Yes there are leads on the resistor.

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post #9 of 9 (permalink) Old Dec 11th, 17, 06:41 PM
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Re: Step-up resistor for tach

A 1 k resistor should do it, If your tach is still shaky then use an autometer tach convertor box. Some tachs need the box as the resistor may not get the job done.
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