Manual swap help

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May 28, 2008 | 09:00 PM

operator exmark

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5th Wheeling

Joined: Sep 2006

Posts: 25

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Manual swap help

I just finished an AOD to ZF5 conversion on my '90 F150 and it won't start. I turn the key to start and the CEL and ABS lights come on but nothing to the starter whatsoever. When I was working on the steering colum I accidentally broke the wire going from the auto shifter collar to the shift indicator on the dash leaving the dash indicator at neutral. I am assuming this is why the starter relay is dead but the wire came out of the dash and I can't figure out how to electronically put my truck in park. Any help would be appreciated.

May 29, 2008 | 12:08 AM

Ford_Six

Hotshot

Joined: Oct 2002

Posts: 18,488

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From: The Big, Oregon

The neutral safety switch and backup light switch is on the transmission (AOD), you will need to figure out which wires to connect to bypass the NSS.

May 29, 2008 | 08:32 AM

subs1000w

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Joined: Sep 2004

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you can also just go back to the junk yard and get the transmission harness from the zf then unplug your aod harness and plug in the one from the zf and it will start

May 29, 2008 | 08:23 PM

operator exmark

Thread Starter

5th Wheeling

Joined: Sep 2006

Posts: 25

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Thanks guys I got a ZF plug and spliced it to the AOD harness and it starts fine. However when I took it out on the road the speedometer stopped working. At first it was very wobbly and seemed slower than my actual speed than dropped to zero. I am assuming the cable broke but I don't want to replace it and have it break again. Is there any difference between the AOD speedo and the ZF speedo?