91 MR2 Non turbo Ground Strap locations - Toyota Nation Forum : Toyota Car and Truck Forums


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Old 12-28-2011, 05:02 PM   #1 (permalink)
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91 MR2 Non turbo Ground Strap locations

Hi New to the site so I hope I'm posting in the right location. Could someone please help.
I'm doing a motor swap and its been a project that I've only been able to work on the weekends for a few hours at a time so in this process I forgot where the ground straps go could some one please send pictures or let me know please. I was able to crank the motor over but I must have had it grounded wrong and it burnt the one ground strap that I had on it at the time. If I try with out the ground strap the fuel pump starts as soon as I connect the battery.

Thank you in advance.
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Old 12-28-2011, 07:24 PM   #2 (permalink)
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What motor are you swapping in? 5sfe or 3sgte?
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Old 12-28-2011, 08:11 PM   #3 (permalink)
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its another stock 5sfe. My son blew the original motor so were swapping with another stock motor.
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Old 12-29-2011, 04:20 PM   #4 (permalink)
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Well, I looked in my manual and couldn't find anything.
I can tell you on the 3sgte, there is a ground on the manual transmission to chassis. A ground on the head to body. And a ground on the block to chassis.
I think if you do the same, you should be good.
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Old 12-31-2011, 07:12 AM   #5 (permalink)
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Thanks I did that and it appears to have fixed the problem. I was able to get the car start but I have no throttle response. I can manually work the throttle but nothing seems to happen. Any thoughts?
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Old 12-31-2011, 08:30 AM   #6 (permalink)
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Is the AFM hooked up? Throttle Position sensor?
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Old 12-31-2011, 09:28 PM   #7 (permalink)
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Yes they are both hooked up. I was thinking it was the tps. How would you test it?

Thanks
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Old 01-01-2012, 01:31 AM   #8 (permalink)
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You have to remove it.
You'll need and Multimeter and feeler gauge. I'm at work right now(yeah, New Years Eve), but I will post the specs later if no one else has before then.
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Old 01-02-2012, 10:12 AM   #9 (permalink)
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Thanks I'm going to take a look at it today and see what I can find out. I did buy a new one in case this one is bad. But if you do run across the specs that would be great.
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