Speed sensor problems.

DKLINE11

MEMBER
1994 NISSAN TRUCK
119,000 MILES

I had to replace the transmission in my 1994 nissan pickup. I bought and installed a 1995 transmission from an extended cab so I just needed to replace the drive shaft. It all works except the speedometer. My trucks old tranny used a speed sensor and the new transmission had a cable will the sensor work in the new transmission? What can I do?

7 Replies

HMAC300

MECHANIC
48,601 POSTS

That is done magnetically so you need to adapt it to that typ e of system. It wil probably require taking he housindg off and replacing the reluctor on the tail shaft of the trans.

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Friday, August 24th, 2012 AT 10:41 PM

DKLINE11

MEMBER
4 POSTS

Thank you for replying. Heres some more information I forgot to include. The speed sensor runs off of a gear, the truck is FWD and the sensor is in the back of the transfer case.

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Saturday, August 25th, 2012 AT 7:24 PM

HMAC300

MECHANIC
48,601 POSTS

As long as the transfer case will bolt to the other trans it should work unless it is a 2wd trans which would have a long tailshaft on it and the t-case wouldn't bolt up then

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Saturday, August 25th, 2012 AT 10:05 PM

DKLINE11

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4 POSTS

Thanks for the the help but I asked my question wrong ill rephrase it sorry. Can I swap the mechanical drive for the speedo to a speed sensor? Either one bolts into the transfer case. Is there a direct bolt in for that swap?

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Sunday, August 26th, 2012 AT 1:30 AM

HMAC300