Oven won't Light

Replaced igniter in oven, Removed 2 screws in oven floor and removed floor panel. Removed 3 screws to remove the whole flame pipe assy. Disconnected 2 connectors on the ignition assy. Replaced ignition assy. with the cheapest ignition assy. spliced the 2 wires with the connectors of the old assy. using the supplied ceramic wire nuts and re assembled. Part from dealer was $89.00 part from here was $39.00