GP relay going out or need replacing? 88 f250

Dodobrain38

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88 f250 7.3 diesel.....So I just replaced my starter and before doing anything the truck the starter would barely try to turn over the engine and the glow plugs would cycle and only click once. After replacing the starter I wired and bolted it back in, after trying to warm up the glow plugs I hear a very quick clicking sound intermittently. I tested the voltage on both sides of the glowplug relay, the constant does have 12V, and when I try to turn on the glow plugs I tested it again but it now jumps from 9-10-13-9...etc etc. any ideas?
 

Dodobrain38

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Huntsville, TX
So I replaced the GPR and it did not change a thing. Turn key to warm GP, instrument lamp flickers in and out while I hear a bicycle bell type clicking from the GPR. Any new ideas?
 
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