Trim gauge not working
#1
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Trim gauge not working
I recently pulled my 7.4 mpi 454 and installed a 500 efi.
Everything is working but the trim gauge.
The trim works both up and down but the gauge remains pegged in the up position.
Is there a different setup going from one engine to the other.
Thanks for your help.
Everything is working but the trim gauge.
The trim works both up and down but the gauge remains pegged in the up position.
Is there a different setup going from one engine to the other.
Thanks for your help.
#2
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Redneck Daredevil is an expert in that.. consult daredevil racing (NOOOT).
... you lost your trim gauge sensor/or broke the cables. New ones cost a few bucks with nex cables. Check your cables first from gauge to trim sensor unit.
... you lost your trim gauge sensor/or broke the cables. New ones cost a few bucks with nex cables. Check your cables first from gauge to trim sensor unit.
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I am sure we did not break the cables
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trim
Well on a 496 they are at the back of the engine at the top. Pretty sure 500 is the same . I know a 454 mpi is the same. I swappd out my 454mpi for a 496. There are several wires back there with bullet connectors. You are looking for an orange wire and a black wire coming out of the bundle. Both are female connectors. The trim sending units are on the gimble ring on the out drive. One on each side. Port side is the trim limit and starboard is the sending unit. Thats the one you are concerned with at this time. They are round discs with a set of wires each. Both wires are black. The wires run through the the gimble area and through the transom just above the bellows. Comes out in the boat just below the tiller arm the power steering is hooked to. Like I said there are 2 sets of wires. The trim limit switch wires go over to the trim pump area and have 1 male and one female connector. The trim sending unit wires you are concerned with go to to the back top of the motor and both have male connectors. If these wires are broken out on the out drive or if hooked up like I stated and the gauge still does not work then PM me for the fix.. Its a long one and more than one way to do it. Some will tell you the drive and gimble have to be removed but that is not the case. I replaced a set YESTERDAY. These have to be replaced in pairs.. Only way they are sold . You would be an idiot to not replace both anyway even if only one is bad.
Chris
Chris
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Well on a 496 they are at the back of the engine at the top. Pretty sure 500 is the same . I know a 454 mpi is the same. I swappd out my 454mpi for a 496. There are several wires back there with bullet connectors. You are looking for an orange wire and a black wire coming out of the bundle. Both are female connectors. The trim sending units are on the gimble ring on the out drive. One on each side. Port side is the trim limit and starboard is the sending unit. Thats the one you are concerned with at this time. They are round discs with a set of wires each. Both wires are black. The wires run through the the gimble area and through the transom just above the bellows. Comes out in the boat just below the tiller arm the power steering is hooked to. Like I said there are 2 sets of wires. The trim limit switch wires go over to the trim pump area and have 1 male and one female connector. The trim sending unit wires you are concerned with go to to the back top of the motor and both have male connectors. If these wires are broken out on the out drive or if hooked up like I stated and the gauge still does not work then PM me for the fix.. Its a long one and more than one way to do it. Some will tell you the drive and gimble have to be removed but that is not the case. I replaced a set YESTERDAY. These have to be replaced in pairs.. Only way they are sold . You would be an idiot to not replace both anyway even if only one is bad.
Chris
Chris
I forgot to mention that this is a bravo drive without trim tabs
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Well on a 496 they are at the back of the engine at the top. Pretty sure 500 is the same . I know a 454 mpi is the same. I swappd out my 454mpi for a 496. There are several wires back there with bullet connectors. You are looking for an orange wire and a black wire coming out of the bundle. Both are female connectors. The trim sending units are on the gimble ring on the out drive. One on each side. Port side is the trim limit and starboard is the sending unit. Thats the one you are concerned with at this time. They are round discs with a set of wires each. Both wires are black. The wires run through the the gimble area and through the transom just above the bellows. Comes out in the boat just below the tiller arm the power steering is hooked to. Like I said there are 2 sets of wires. The trim limit switch wires go over to the trim pump area and have 1 male and one female connector. The trim sending unit wires you are concerned with go to to the back top of the motor and both have male connectors. If these wires are broken out on the out drive or if hooked up like I stated and the gauge still does not work then PM me for the fix.. Its a long one and more than one way to do it. Some will tell you the drive and gimble have to be removed but that is not the case. I replaced a set YESTERDAY. These have to be replaced in pairs.. Only way they are sold . You would be an idiot to not replace both anyway even if only one is bad.
Chris
Chris